Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2...

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Zone 199, Master Map Normal View 21h 04m 21h 12m 21h 20m 21h 28m 21h 36m 21h 44m 21h 52m 22h 00m -04°00' -02°00' +00°00' +02°00' +04°00' +06°00' β α ε Baxendell's Nebula Kitalpha Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV

Transcript of Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2...

Page 1: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

Zone 199, Master MapNormal View

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β

α

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Baxendell's Nebula

Kitalpha

Sadalsuud

M2

Aquarius

Equuleus

Pegasus

Zone Master, Normal View, 10 deg FOV

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Zone 199, Map 1Normal Image

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STF 2744

Baillaud 1223

STF 2749

STF 2755

Baillaud 2555

Bur 837

Baillaud 1583

Bur 682

Alpha Equ

Engelmann 82

Bur 838

OS 435

STF 2787

STF 2791

OS 439

NGC 7077

Aquarius

Equuleus

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

Baillaud 2553

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Zone 199, Map 1Mirror Image

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NGC 7001

Baillaud 2553

STF 2744

Baillaud 1223

STF 2749

STF 2755

Baillaud 2555

Bur 837

Baillaud 1583

Bur 682

Alpha Equ

Engelmann 82

Bur 838

OS 435

STF 2787

STF 2791

OS 439Aquarius

Equuleus

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

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Zone 199, Map 2Normal Image

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h5244

STF 2755

Bur 837

STF 2770

Baillaud 621

Jonckheere 1403STF 2775

STF 2778

Bur 161

Engelmann 82

NGC 7069

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

NGC 7001

Page 5: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

Zone 199, Map 2Mirror Image

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NGC 7001

h5244

STF 2755

Bur 837

STF 2770

Baillaud 621

Jonckheere 1403STF 2775

STF 2778

Bur 161

Engelmann 82

NGC 7069

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

Page 6: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

Zone 199, Map 3Normal Image

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NGC 7081

h3032

A 2291

h3039Jonckheere 163

STF 2811 rej

24 Aqr

OS 446

25 Aqr

STF 2817

Chevalier 316

STF 2828

STF 2830 rejNGC 7156

h3073

OSS 225

h3078

Pegasus

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

NGC 7077

Page 7: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

Zone 199, Map 3Mirror Image

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NGC 7077NGC 7081

h3032

A 2291

h3039Jonckheere 163

STF 2811 rej

24 Aqr

OS 446

25 Aqr

STF 2817

Chevalier 316

STF 2828

STF 2830 rejNGC 7156

h3073

OSS 225

Pegasus

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

Page 8: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

Zone 199, Map 4Normal Image

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NGC 7089

STF 2809STF 2811 rej

24 Aqr

A 180

Chevalier 316

Scardia 100

h945h946

Scardia 102

STF 2838

STF 2847

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

Page 9: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

Zone 199, Map 4Mirror Image

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Barton 559

NGC 7089

STF 2809STF 2811 rej

24 Aqr

A 180

Chevalier 316

Scardia 100

h945h946

Scardia 102

STF 2838

STF 2847

Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.

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Zone 199

42 Double Stars, 1 Globular Cluster, 5 Galaxies Flamsteed

24 Aqr ...................................................... 26 25 Aqr ...................................................... 17

A

A 180........................................................ 26 A 2291...................................................... 21

B

Baillaud 1223 ............................................ 5 Baillaud 1583 ............................................ 6 Baillaud 2553 ............................................ 4 Baillaud 2555 ............................................ 5 Baillaud 621 ............................................ 14 Bur 161 .................................................... 13 Bur 682 ...................................................... 8 Bur 837 ...................................................... 3 Bur 838 ...................................................... 9

C

Chevalier 316 .......................................... 16

E

Engelmann 82 ........................................... 6

H

h3032........................................................ 20 h3039........................................................ 16 h3078........................................................ 17 h5244........................................................ 12

J

Jonckheere 163 ...................................... 17 Jonckheere 1403 ..................................... 11

N

NGC 7001................................................ 14 NGC 7069................................................ 15 NGC 7077................................................ 22 NGC 7081................................................ 22 NGC 7089................................................ 28 NGC 7156................................................ 21

O

OS 435 ....................................................... 8 OS 439 ....................................................... 7 OS 446 ..................................................... 20 OSS 225................................................... 19

S

Scardia 100.............................................. 24 Scardia 102.............................................. 25 STF 2744 ................................................... 9 STF 2749 ................................................... 3 STF 2755 ................................................. 10 STF 2770 ................................................. 11 STF 2775 ................................................. 12 STF 2778 ................................................. 13 STF 2787 ................................................... 4 STF 2791 ................................................... 7 STF 2809 ................................................. 23 STF 2811 rej............................................ 25 STF 2817 ................................................. 15 STF 2828 ................................................. 18 STF 2830 rej............................................ 19 STF 2838 ................................................. 23 STF 2847 ................................................. 27

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Zone 199, Map 1

Double Stars

Easy

STF 2749 Rating: 3 E ADS 14602; HD 200660; SAO 126523 Position: 2105+0332 Magnitude Separation PA Year Spectra Colors A 7.63 — — — G0 Y B 8.96 3.3 - 174 +! 1999 R! Notes:

1830: 3.5 @ 149. 84 measurements. Observations:

C8 at 280x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.5 inches. Separation: AB = 1.04 miles.

Distance (LY): 203 Total luminosity (Suns): 3.4 Bur 837 Rating: 3 E ADS 14680 Position: 2109+0013 Magnitude Separation PA Year Spectra Colors A 8.75 — — — G5 Y B 10.65 3.4 - 182 - 1991 O Notes:

1881: 3.5 @ 185. 13 measurements.

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Observations: C11 at 115x.

Scale model (in which the Sun is the size of a baseball): Diameter: A = 20.3 inches. Separation: AB = 1.18 miles.

Distance (LY): 223 Total luminosity (Suns): 1.44 STF 2787 Rating: 3 E ADS 14901; HD 203383; SAO 126730 Position: 2122+0201 Magnitude Separation PA Year Spectra Colors A 7.47 — — — A2 yW B 9.35 22.7 = 19 - 1991 dO! C 10.60 70.5 - 94 = 1909 ? Notes:

AB 1830: 22.7 @ 20. 25 measurements. The stars show a similar, but small, proper motion.

AC 1892: 70.9 @ 94. 4 measurements. Observations:

C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.82 inches. Separation: AB = 128 miles; AC = 396 miles.

Distance (LY): 3,600 Total luminosity (Suns): 1,260 Baillaud 2553 Rating: 5 E Position: 2101+0419 Magnitude Separation PA Year Spectra Colors A 10.15 — — — W B 12.10 11.1 107 1910 W?

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Notes: 1 measurement.

Observations:

C11 at 115x.

Distance (LY): 800 Total luminosity (Suns): 5.1 Baillaud 1223 Rating: 5 E Position: 2104+0105 Magnitude Separation PA Year Spectra Colors A 9.48 — — — F5 bW B 12.00 11.7 + 157 - 1909 W Notes:

1896: 11.5 @ 158. 2 measurements. Observations:

C8 at 104x. Baillaud 2555 Rating: 5 E HD 201022; SAO 126549 Position: 2107+0405 Magnitude Separation PA Year Spectra Colors A 8.55 — — — K2 O B 10.93 17.2 + 164 = 1986 W Notes:

1910: 17.0 @ 164. 2 measurements. Observations:

C11 at 115x.

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Scale model (in which the Sun is the size of a baseball): Diameter: A = 27.7 inches. Separation: AB = 20.4 miles.

Distance (LY): 760 Total luminosity (Suns): 19 Baillaud 1583 Rating: 5 E Position: 2113+0149 Magnitude Separation PA Year Spectra Colors A 10.07 — — — W B 10.40 8.1 - 6 = 1999 W Notes:

1909: 8.4 @ 6. 5 measurements. The stars share common proper motion.

Observations:

C8 at 104x. The magnitudes look about 1 full point fainter than listed. Engelmann 82 Rating: 5 E Bpm 228 (C); HD 202751; SAO 145275 Position: 2118+0010 Magnitude Separation PA Year Spectra Colors A 8.23 — — — K2 Y B 9.44 179.5 - 58 - 1908 W Notes:

1891: 184.5 @ 60. 2 measurements. Observations:

C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 27.2 inches. Separation: AB = 17.6 miles.

Distance (LY): 63 Total luminosity (Suns): 0.213

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STF 2791 Rating: 5 E ADS 14933; HD 203701; SAO 126763 Position: 2124+0422 Magnitude Separation PA Year Spectra Colors A 8.43 — — — F0 W B 9.05 2.8 + 104 = 1997 O Notes:

1827: 2.4 @ 104. 49 measurements. Observations:

C8 at 280x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 10.7 inches. Separation: AB = 3.49 miles.

Distance (LY): 800 Total luminosity (Suns): 30

Moderate OS 439 Rating: 5 M A 2289 (B); ADS 14960; HD 203993; SAO 126787 Position: 2126+0203 Magnitude Separation PA Year Spectra Colors A 7.53 — — — A1 III W B 11.53 15.4 - 221 + 1991 W? Notes:

1845: 15.9 @ 217. 14 measurements. Observations:

C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.0 inches. Separation: AB = 14.7 miles.

Distance (LY): 610 Total luminosity (Suns): 35

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Difficult OS 435 Rating: 3 D ADS 14894; HD 203323; SAO 126724 Position: 2121+0253 Magnitude Separation PA Year Spectra Colors A 7.41 — — — K0 Y B 7.46 0.6 + 235 +!! 1998 W Notes:

1843: 0.5 @ 24. 69 measurements. Observations:

C11 at 634x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 23.4 inches. Separation: AB = 3,606 feet.

Distance (LY): 750 Total luminosity (Suns): 93 Bur 682 Rating: 4 D ADS 14774; HD 202276; SAO 126642 Position: 2115+0441 Magnitude Separation PA Year Spectra Colors A 7.47 — — — K5 III yO B 12.00 5.5 - 102 - 1943 B C 10.28 92.7 + 179 + 1991 ? Notes:

AB 1877: 5.6 @ 106. 7 measurements. AC 1908: 91.6 @ 175. 5 measurements. Hipparcos shows the C star to be at a distance of 77 light years. It is probably optical.

Observations:

C8 at 83x.

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Scale model (in which the Sun is the size of a baseball): Diameter: A = 54.3 inches. Separation: AB = 10.6 miles; AC = 179 miles.

Distance (LY): 1,240 Total luminosity (Suns): 113 STF 2744 Rating: 5 D ADS 14573; HD 200375; SAO 126491 Position: 2103+0132 Magnitude Separation PA Year Spectra Colors A 6.79 — — — F5 IV W B 7.39 1.3 - 119 -! 1999 W C 12.80 60.4 -! 338 -!! 1988 ? Notes:

AB 1825: 1.5 @ 192. Over 100 measurements. The orbital period may be 3,055 years (Hopmann, 1960) of 1,532 years (Popovic, 1962).

AC 1912: 87.6 @ 102. 3 measurements. Observations:

C8 at 206x. It lies between two 7.5m stars. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.33 inches. Separation: AB = 2,270 feet; AC = 20.3 miles.

Distance (LY): 215 Total luminosity (Suns): 16.927 Bur 838 Rating: 5 D ADS 14880; HD 203235 Position: 2121+0307 Magnitude Separation PA Year Spectra Colors A 7.75 — — — F8 W B 10.17 1.6 + 149 + 1999 ?

Page 18: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

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Notes: AB 1881: 1.3 @ 90. 58 measurements.

Observations:

C8 at 280x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 14.7 inches. Separation: AB = 3,010 feet.

Distance (LY): 232 Total luminosity (Suns): 2.8

Zone 199, Map 2

Double Stars

Easy STF 2755 Rating: 3 E ADS 14654; HD 201098; SAO 145121 Position: 2107-0010 Magnitude Separation PA Year Spectra Colors A 6.56 — — — M3 III Y B 9.80 25.1 + 81 - 1982 O Notes:

1827: 23.9 @ 85. 17 measurements. Hipparcos/Tycho data show different distances for these stars; they may be optical. However, the stars exhibit a small common proper motion. Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 1.05 inches. Separation: AB = 47.8 miles.

Distance (LY): 1,220 Total luminosity (Suns): 314

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STF 2770 Rating: 3 E ADS 14725; HD 201719; SAO 145185 Position: 2112-0308 Magnitude Separation PA Year Spectra Colors A 7.47 — — — K0 III W B 10.61 7.7 + 246 - 1991 ? Notes:

1828: 7.2 @ 247. 20 measurements. Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 46.2 inches. Separation: AB = 11.1 miles.

Distance (LY): 920 Total luminosity (Suns): 72 Jonckheere 1403 Rating: 3 E Baillaud 622; Rossiter 5159 Position: 2113-0045 Magnitude Separation PA Year Spectra Colors A 10.34 — — — W B 10.96 3.9 + 343 =? 1991 W Notes:

1896: 3.8 @ 163. 7 measurements. Quadrant reversal? Observations:

C11 at 98x.

Distance (LY): 223 Total luminosity (Suns): 0.450

Page 20: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

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STF 2775 Rating: 3 E ADS 14775; HD 202260; SAO 145230 Position: 2115-0050 Magnitude Separation PA Year Spectra Colors A 7.40 — — — A2 V bW B 10.52 21.3 + 178 - 1991 B C 9.50 168.3 20 1911 W Notes:

AB 1825: 21.2 @ 179. 18 measurements. Hipparcos/Tycho data show different distances for these stars; they may be optical.

AC 1 measurement. Observations:

C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.40 inches. Separation: AB = 26.3 miles; AC = 207 miles.

Distance (LY): 790 Total luminosity (Suns): 62 h5244 Rating: 4 E Position: 2105-0429 Magnitude Separation PA Year Spectra Colors A 10.29 — — — W B 10.60 13.5 + 132 - 1970 W Notes:

1892: 12.6 @ 134. 6 measurements. Observations:

C11 at 98x.

Distance (LY): 57 Total luminosity (Suns): 0.039

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Bur 161 Rating: 4 E ADS 14813; HD 202632; SAO 145265 Position: 2117-0414 Magnitude Separation PA Year Spectra Colors A 8.08 — — — K0 Y B 10.29 101.2 + 350 = 1991 B Notes:

1891: 34.1 @ 315. 2 measurements. There are five more very faint comes.

Observations:

C8 at 104x. It lies 22 min NW of 15 Aqr (5.8m B5 V, 200 times brighter than the Sun and 740 light years away), an old disk population runaway star. Scale model (in which the Sun is the size of a baseball): Diameter: A = 24.4 inches. Separation: AB = 1,058 miles.

Distance (LY): 6,700 Total luminosity (Suns): 1,610 STF 2778 Rating: 5 E HD 202405; SAO 145245 Position: 2116-0114 Magnitude Separation PA Year Spectra Colors A 8.70 — — — F2 W B 10.80 19.6 - 273 + 1910 B C 11.20 71.9 261 1909 B Notes:

AB 1828: 21.2 @ 267. 13 measurements. AC 1 measurement.

Observations:

C8 at 104x.

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Moderate Baillaud 621 Rating: 5 M HD 201717; SAO 145183 Position: 2112-0118 Magnitude Separation PA Year Spectra Colors A 8.31 — — — F5 W B 11.37 11.3 + 136 = 1991 ? Notes:

1896: 11.0 @ 136. 4 measurements. Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 13.3 inches. Separation: AB = 6.98 miles.

Distance (LY): 396 Total luminosity (Suns): 6.49

Deep Sky Objects

Difficult NGC 7001 Rating: 4 D Other Names: UGC 11663 Position: 2102-0011 Type: Gal Class: SAB(rs)ab: Magnitude: 12.9 Surface brightness: 12.9 Dimensions: 1.3' x 1.0' PA: 162 Observations:

C8 at 206x. It shows a uniform, bright glow but no bright nucleus.

Radial velocity (km/sec): +7,102

Page 23: Zone 199, Master Mapextras.springer.com/2007/978-0-387-46893-8/MC Files/Zone 199 MC.…Sadalsuud M2 Aquarius Equuleus Pegasus Zone Master, Normal View, 10 deg FOV c d e f. Zone 199,

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NGC 7069 Rating: 5 D Other Names: UGC 11747 Position: 2128-0138 Type: Gal Class: SAB(s)0-? Magnitude: 13.4 Surface brightness: 13.4 Dimensions: 1.3' x 0.9' PA: 20 Observations:

C8 at 104x. It was noticed with averted vision and tube movement.

Radial velocity (km/sec): +9,280

Zone 199, Map 3

Double Stars

Easy STF 2817 Rating: 2 E HD 206488; SAO 127004 Position: 2143+0027 Magnitude Separation PA Year Spectra Colors A 8.82 — — — F8 W B 9.08 26.1 + 156 = 1987 F8 W Notes:

1828: 25.9 @ 156. 21 measurements. The stars share common proper motion. There is a 14.70m star at 36.3 @ 159.

Observations:

C8 at 104x.

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Scale model (in which the Sun is the size of a baseball): Diameter: A = 15.7 inches; B = 15.9 inches. Separation: AB = 8.75 miles.

Distance (LY): 215 Total luminosity (Suns): 1.9 h3039 Rating: 3 E HD 205525 Position: 2136+0040 Magnitude Separation PA Year Spectra Colors A 8.75 — — — G5 Y B 10.00 11.4 - 154 = 1992 O Notes:

1879: 11.6 @ 154. 16 measurements. The stars share common proper motion even though Hipparcos gives different

distances (225 and 172 light years). Observations:

C8 at 104x. Nice! Rich, faint field. Chevalier 316 Rating: 4 E HD 206765; SAO 145626 Position: 2144+0009 Magnitude Separation PA Year Spectra Colors A 9.23 — — — Y B 10.48 37.6 + 299 - 1991 W Notes:

1907: 35.6 @ 122. 2 measurements. Quadrant reversal in 1907. May be optical because Hipparcos gives different distances (540 and 116 light years).

Observations:

C11 at 115x.

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h3078 Rating: 4 E ADS 15507 Position: 2159+0116 Magnitude Separation PA Year Spectra Colors A 10.45 — — — K0 Y B 10.84 4.4 - 185 - 1991 W Notes:

1902: 4.6 @ 194. 22 measurements. Observations:

C11 at 115x. Jonckheere 163 Rating: 5 E ADS 15124 Position: 2137+0031 Magnitude Separation PA Year Spectra Colors A 10.02 — — — G5 yW B 11.20 4.8 - 305 -! 1987 W Notes:

1889: 12.1 @ 58. 19 measurements. Observations:

C11 at 115x. 25 Aqr Rating: 5 E Bpm 229; HD 206067; SAO 126965 Position: 2140+0215 Magnitude Separation PA Year Spectra Colors A 5.09 — — — K0 III Y B 11.60 133 46 1911 ?

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Notes: The primary is an infra-red source.

Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 46.2 inches. Separation: AB = 50.0 miles.

Distance (LY): 241 Total luminosity (Suns): 35.1 STF 2828 Rating: 5 E ADS 15348; HD 207534; SAO 127092 Position: 2150+0323 Magnitude Separation PA Year Spectra Colors A 9.30 — — — G5 yW B 9.96 30.8 + 141 - 1963 W C 9.99 30.3 + 134 + 1963 pB Notes:

AB 1829: 23.8 @ 142. 37 measurements. Hipparcos/Tycho data show different distances for these stars; they may be optical. The stars have different proper motions.

AC 1864: 25.2 @ 133. 12 measurements. Observations:

C11 at 115x, 311x. Moderate field. Scale model (in which the Sun is the size of a baseball): Diameter: A = 20.9 inches. Separation: AB = 56.2 miles; AC = 55.3 miles.

Distance (LY): 1,170 Total luminosity (Suns): 44

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STF 2830 rej Rating: 5 E HD 207742; SAO 127109 Position: 2151+0307 Magnitude Separation PA Year Spectra Colors A 8.90 — — — A5 W B 11.70 26.3 + 236 - 1986 W Notes:

1905: 24.2 @ 237. 4 measurements. Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.58 inches. Separation: AB = 31.2 miles.

Distance (LY): 760 Total luminosity (Suns): 11 OSS 225 Rating: 5 E HD 208632; SAO 127190 Position: 2158+0409 Magnitude Separation PA Year Spectra Colors A 7.06 — — — F5 W B 8.67 74.2 - 287 = 1995 F5 bW Notes:

1875: 75.1 @ 287. 17 measurements. The stars share common proper motion.

Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 12.2 inches; B = 13.6 inches. Separation: AB = 33.8 miles.

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Distance (LY): 292 Total luminosity (Suns): 11.9

Moderate

OS 446 Rating: 4 M ADS 15195; HD 206186; SAO 126975 Position: 2141+0344 Magnitude Separation PA Year Spectra Colors A 8.41 — — — F5 W B 11.10 6.5 + 173 - 1991 O Notes:

1845: 5.5 @ 175. 16 measurements. The stars share common proper motion.

Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 13.4 inches. Separation: AB = 4.11 miles.

Distance (LY): 406 Total luminosity (Suns): 6.47 h3032 Rating: 5 M ADS 15067; HD 205053; SAO 126875 Position: 2132+0452 Magnitude Separation PA Year Spectra Colors A 7.30 — — — F0 III bW B 12.75 17.6 + 89 - 1929 ? Notes:

1903: 17.3 @ 93. 3 measurements. Observations:

C8 at 83x.

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Scale model (in which the Sun is the size of a baseball): Diameter: A = 23.7 inches. Separation: AB = 8.81 miles.

Distance (LY): 321 Total luminosity (Suns): 10.06

Difficult A 2291 Rating: 3 D ADS 15100; HD 205401 Position: 2135+0308 Magnitude Separation PA Year Spectra Colors A 9.99 — — — G0 W B 10.19 1.0 - 93 - 1999 W Notes:

1910: 1.1 @ 95. 12 measurements. Observations:

C11 at 634x.

Deep Sky Objects

Moderate NGC 7156 Rating: 4 M Other Names: H III 452; UGC 11843 Astronomical League Program: Herschel II Club Position: 2155+0257 Type: Gal Class: SAB(rs)cd: Magnitude: 12.5 Surface brightness: 13.1 Dimensions: 1.6' x 1.4' PA: 105 Observations:

C8 at 206x. I began at a 9m double star and slowly worked north, when I noticed a faint smudge of light creep into the field. This was it!

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Radial velocity (km/sec): +3,985 NGC 7077 Rating: 5 M Other Names: UGC 11755 Position: 2130+0225 Type: Gal Class: E Magnitude: 13.1 Surface brightness: 12.5 Dimensions: 48" x 42" PA: 160 Observations:

C11 at 140x. Small, fuzzy "star" without a halo, about 2" in diameter. It is 4 min W of an 8m star.

Radial velocity (km/sec): +1,152

Difficult NGC 7081 Rating: 5 D Other Names: UGC 11759, H III 859 Position: 2131+0229 Type: Gal Class: Sb Magnitude: 12.7 Surface brightness: 13.2 Dimensions: 1.3' x 1.3' Observations:

C11 at 140x. Only detected as a small (~5") nucleus and no halo.

Radial velocity (km/sec): +3,273

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Zone 199, Map 4

Double Stars

Easy STF 2809 Rating: 3 E ADS 15142; HD 205765; SAO 145533 Position: 2137-0024 Magnitude Separation PA Year Spectra Colors A 6.23 — — — A2 V W B 9.30 31.2 + 163 - 1992 B Notes:

1828: 31.1 @ 164. 37 measurements. This star is a member of the Ursa Major moving stream. Hipparcos/Tycho data show different distances for these stars; they may be optical. However, the stars show similar proper motion. Observations:

C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.40 inches. Separation: AB = 19.4 miles.

Distance (LY): 399 Total luminosity (Suns): 44 STF 2838 Rating: 3 E ADS 15432; HD 208177 Position: 2155-0318 Magnitude Separation PA Year Spectra Colors A 6.24 — — — F5 IV W B 9.43 15.8 -! 182 - 1991 W

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Notes: 1829: 21.7 @ 185. 42 measurements.

Observations:

C8 at 163x, MicroGuide, on 1999.584. I made six sets of measurements and obtained 16.8" @ 178.

Webb saw them as yW and bW. He said there was a "curious and beautiful stream of small stars to the NW." This is a N-S row of five stars, four of them 11m and one (the S-most one) of 10m. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.33 inches. Separation: AB = 6.82 miles.

Distance (LY): 277 Total luminosity (Suns): 20 Scardia 100 Rating: 5 E HD 207597; SAO 145694 Position: 2150-0418 Magnitude Separation PA Year Spectra Colors A 8.91 — — — K0 Y B 10.97 30.4 - 224 - 1991 W Notes:

1893: 30.9 @ 228. 5 measurements. Observations:

C11 at 98x. If this pair is really 2,400 light years away, the stars are at least 1/3 AU apart. Scale model (in which the Sun is the size of a baseball): Diameter: A = 25.6 inches. Separation: AB = 114 miles.

Distance (LY): 2,400 Total luminosity (Suns): 142

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Scardia 102 Rating: 5 E HD 207706 Position: 2151-0352 Magnitude Separation PA Year Spectra Colors A 9.61 — — — G0 W B 10.25 50.5 - 338 = 1991 W Notes:

1893: 50.7 @ 338. 6 measurements. Observations:

C11 at 98x. Nice field. Scale model (in which the Sun is the size of a baseball): Diameter: A = 18.5 inches. Separation: AB = 7.95 miles.

Distance (LY): 101 Total luminosity (Suns): 0.176 STF 2811 rej Rating: 5 M HD 205883; SAO 145550 Position: 2138-0020 Magnitude Separation PA Year Spectra Colors A 9.05 — — — F6 V W B 11.10 30.9 + 272 + 1987 ? Notes:

1895: 29.6 @ 268. 4 measurements. Observations:

C11 at 98x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.20 inches. Separation: AB = 10.8 miles.

Distance (LY): 225 Total luminosity (Suns): 1.05

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Difficult 24 Aqr Rating: 3 D Bur 1212; ADS 15176; HD 206058; SAO 145566 Position: 2140-0003 Magnitude Separation PA Year Spectra Colors A 6.66 — — — F7 III W B 7.60 0.6 + 296 + 1960 B Notes:

AB 1890: 0.5 @ 261. Over 100 measurements. Orbit computed (Danjon, 1942): period is 48.7 years; semi-major axis is 0.45"; motion is direct.

AC 1891: 44.5 @ 141. 16 measurements. One component is a spectroscopic binary.

Observations:

C8 at 516x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.20 inches. Separation: AB = 686 feet.

Distance (LY): 141 Total luminosity (Suns): 3.5 A 180 Rating: 3 D ADS 15245; HD 206558; SAO 145611 Position: 2143-0225 Magnitude Separation PA Year Spectra Colors A 8.49 — — — F8 W B 8.55 0.6 - 49 + 1995 W Notes:

1900: 0.7 @ 38. 24 measurements. Observations:

C11 at 634x.

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Scale model (in which the Sun is the size of a baseball): Diameter: A = 15.4 inches. Separation: AB = 2,429 feet.

Distance (LY): 500 Total luminosity (Suns): 14.9 STF 2847 Rating: 5 D ADS 15494 Position: 2158-0329 Magnitude Separation PA Year Spectra Colors A 7.42 — — — F0 W B 7.67 0.9 - 305 + 1996 W Notes:

1831: 1.2 @ 297. 94 measurements. Observations:

C8 at 697x. In poor seeing, I could only obtain a peanut. Scale model (in which the Sun is the size of a baseball): Diameter: A = 10.1 inches. Separation: AB = 2,852 feet.

Distance (LY): 385 Total luminosity (Suns): 22

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Deep Sky Objects

Easy NGC 7089 Rating: 2 E Other Names: M2 Astronomical Leage Program: Messier Club, Urban Deep Sky Club Position: 2134-0049 Type: Gc Class: 2 Magnitude: 6.5 Dimensions: 13' Cluster population: 100,000 Notes:

Jean-Dominique Maraldi probably discovered it on Sept. 11, 1746, for he described what could be taken as M2 in this precise position. He went on to write what would end up being decades ahead of his time: "It is not surrounded by a single star even to quite a large distance: none can be seen in the whole field of the telescope. This seems very singular to me for most of the stars which are called 'nebulous' are surrounded by a large number of stars, so much so that the whiteness senn there is, in fact, the light of a mass of stars too small to be seen in the largest telescopes, if my judgment is correct."

John Bode included it in his list of 1777. Johann Koehler observed it and included it in his list of 1779. Messier observed it on Sept. 11, 1760 and correctly likened it to M22, another large

globular cluster. Lord Rosse saw a dark area near the core. It is 150 light years in diameter. The brightest stars are 13.1m and the horizontal

branch is 16.1m. Observations:

C8 at 206x. Large, bright and resolved, it takes medium powers very well. An 11m star is 2 min N, and a 10m one is 5 min NNW. Next to M13, it is probably the best globular in the northern skies.

C11 at 98x. Semi-resolved and very dense, it very rapidly brightens to the center. Class: 2. Model (where the Sun is a baseball):

Its diameter would be 60.860 miles.

Distance (LY): 50,000 Luminosity (suns): 540,000 Sketch, next page.

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NGC 7089 (M2)Globular cluster, semi-resolved

Observed with C-8 on 7/29/95; s7, t7Magnification: 100x

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Zone 199 Mini-Catalog Double Stars Designation Position Rating Map Component Mag Separation PA

STF 2817 2143+0027 2E 3 A B

8.829.08

— 26.1 +

— 156 =

STF 2749 2105+0332 3E 1 A B

7.638.96

— 3.3 -

— 174 +!

STF 2755 2107-0010 3E 2 A B

6.569.80

— 25.1 +

— 81 -

Bur 837 2109+0013 3E 1 A B

8.7510.65

— 3.4 -

— 182 -

STF 2770 2112-0308 3E 2 A B

7.4710.61

— 7.7 +

— 246 -

Jonckheere 1403 2113-0045 3E 2

A B

10.3410.96

— 3.9 +

— 343 =?

STF 2775 2115-0050 3E 2

A B C

7.4010.52

9.50

— 21.3 + 168.3

— 178 - 168.3

STF 2787 2122+0201 3E 1

A B C

7.479.35

10.60

— 22.7 = 70.5 -

— 19 -

70.5 -

h3039 2136+0040 3E 3 A B

8.7510.00

— 11.4 -

— 154 =

STF 2809 2137-0024 3E 4 A B

6.239.30

— 31.2 +

— 163 -

STF 2838 2155-0318 3E 4 A B

6.249.43

— 15.8 -!

— 182 -

h5244 2105-0429 4E 2 A B

10.2910.60

— 13.5 +

— 132 -

Bur 161 2117-0414 4E 2 A B

8.0810.29

— 101.2 +

— 350 =

Chevalier 316 2144+0009 4E 3 A B

9.2310.48

— 37.6 +

— 299 -

h3078 2159+0116 4E 3 A B

10.4510.84

— 4.4 -

— 185 -

Baillaud 2553 2101+0419 5E 1 A B

10.1512.10

— 11.1

— 107

Baillaud 1223 2104+0105 5E 1 A B

9.4812.00

— 11.7 +

— 157 -

Baillaud 2555 2107+0405 5E 1 A B

8.5510.93

— 17.2 +

— 164 =

Baillaud 1583 2113+0149 5E 1 A B

10.0710.40

— 8.1 -

— 6 =

STF 2778 2116-0114 5E 2

A B C

8.7010.8011.20

— 19.6 - 71.9

— 273 + 71.9

Engelmann 82 2118+0010 5E 1 A B

8.239.44

— 179.5 -

— 58 -

STF 2791 2124+0422 5E 1 A B

8.439.05

— 2.8 +

— 104 =

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Designation Position Rating Map Component Mag Separation PA Jonckheere 163 2137+0031 5E 3

A B

10.0211.20

— 4.8 -

— 305 -!

25 Aqr 2140+0215 5E 3 A B

5.0911.60

— 133

— 46

Scardia 100 2150-0418 5E 4 A B

8.9110.97

— 30.4 -

— 224 -

STF 2828 2150+0323 5E 3

A B C

9.309.969.99

— 30.8 + 30.3 +

— 141 - 30.3 +

Scardia 102 2151-0352 5E 4 A B

9.6110.25

— 50.5 -

— 338 =

STF 2830 rej 2151+0307 5E 3 A B

8.9011.70

— 26.3 +

— 236 -

OSS 225 2158+0409 5E 3 A B

7.068.67

— 74.2 -

— 287 =

OS 446 2141+0344 4M 3 A B

8.4111.10

— 6.5 +

— 173 -

Baillaud 621 2112-0118 5M 2 A B

8.3111.37

— 11.3 +

— 136 =

OS 439 2126+0203 5M 1 A B

7.5311.53

— 15.4 -

— 221 +

h3032 2132+0452 5M 3 A B

7.3012.75

— 17.6 +

— 89 -

STF 2811 rej 2138-0020 5M 4 A B

9.0511.10

— 30.9 +

— 272 +

OS 435 2121+0253 3D 1 A B

7.417.46

— 0.6 +

— 235 +!!

A 2291 2135+0308 3D 3 A B

9.9910.19

— 1.0 -

— 93 -

24 Aqr 2140-0003 3D 4 A B

6.667.60

— 0.6 +

— 296 +

A 180 2143-0225 3D 4 A B

8.498.55

— 0.6 -

— 49 +

Bur 682 2115+0441 4D 1

A B C

7.4712.0010.28

— 5.5 -

92.7 +

— 102 - 92.7 +

STF 2744 2103+0132 5D 1

A B C

6.797.39

12.80

— 1.3 -

60.4 -!

— 119 -! 60.4 -!

Bur 838 2121+0307 5D 1 A B

7.7510.17

— 1.6 +

— 149 +

STF 2847 2158-0329 5D 4 A B

7.427.67

— 0.9 -

— 305 +

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Deep Sky Objects

Specifications

Object Position Rating Map

Type

Mag Surface

Br Population NGC 7089 2134-0049 2E 4 Gc (2) 6.5 100,000 NGC 7156 2155+0257 4M 3 Gal (SBc) 12.5 13.1 NGC 7077 2130+0225 5M 3 Gal (E) 13.1 12.5 NGC 7001 2102-0011 4D 2 Gal (SAB(rs)ab:) 12.9 12.9 NGC 7069 2128-0138 5D 2 Gal (SAB(s)0-?) 13.4 13.4 NGC 7081 2131+0229 5D 3 Gal (Sb) 12.7 13.2