David's Astronomy Pages Images - Session 589 (2015-05-14)

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Images (S590)

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Session Notes

C/2015 F5 (SWAN-Xingming) - Comet     Hickson 69 - Galaxy Group  (UGC 8842 et al) Hickson 70 - Galaxy Group (IC 4371 et al) Hickson 71 - Galaxy Group (IC 4381 et al)     IC 972 - Planetary Nebula (Abell 37)     NGC 5634 - Globular Cluster (Herschel I-70) NGC 6641 - Spiral Galaxy     UGC 11469 - Spiral Galaxy with PSN     Photometric Monitoring - Variables   - SY Cnc, R CrB, CI Cyg, SS Cyg, BL Lac, RZ LMi, EU UMa     Astrometric Monitoring - Nearby Stars   - 61 Cyg, CN Leo

- Late night session (3.0 hrs duration) - Session operated under semi-automated control, with remote monitoring from indoors computer.   - Ambient Temperature:  temperature gradualy falling to minimum of -1.0°C (minimum) by end of session - CCD operation -30°C (at 76% average cooling).  - Planned objectives of the session were to monitor selected variable stars & nearby stars and acquire images of selected gallery objects. -

C/2015 F5 (SWAN-Xingming) - Comet

C/2015 F5 (SWAN-Xingming) - attempted imaging (passing through Auriga) Forecast position of comet is indicated by white circle.  No indication of comet at either this location or elsewhere on image. Limiting magnitude of image +17.5 vs forcast magnitude of +10.5

CCD Image (cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2015-05-15 00:13 h UT (#589122-25) 12" LX200R  (at f/10.4) + ST-10XME

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Hickson 69 - Galaxy Group (UGC 8842 et al)

Hickson 69 (Bootes)

CCD Image (50% size) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2015-05-14 22:41 h UT (#589035-39) 12" LX200R  (at f/10.4) + ST-10XME

Hickson 69 - Detail 69a  - UGC 8842 / PGC 49502 (catalog mag +15.6), 69b  - PGC 49507 (catalog mag +15.9), 69c - PGC 49505 (catalog mag +15.7), 69d  - PGC 49499 (catalog mag +16.4)

Annotated CCD Image (cropped) Image details as above

Negative CCD Image (cropped) Image details as above

Hickson 69 - Wider View

Annotated CCD Image (50% size) Image details as above

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 Hickson 70 - Galaxy Group  (IC 4371 et al)

Hickson 70 (Canes Venatici)

CCD Image (50% size) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2015-05-14 23:34 h UT (#589085-87) 12" LX200R  (at f/10.4) + ST-10XME

Hickson 70 - Detail 70a - IC 4370 (catalog mag +15.7), 70b  - IC 4371 (catalog mag +14.2), 70c - PGC 50159 (catalog mag +16.0), 70d  - IC 4370 (catalog mag +14.9), 70e - IC 4369 (catalog mag +15.4), 70f  - PGC 50133 (catalog mag +17.3), 70g - PGC 50123 (catalog mag +16.4)

Annotated CCD Image (cropped) Image details as above

Negative CCD Image (cropped) Image details as above

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Hickson 71 - Galaxy Group (IC 4381 et al)

Hickson 71 (Bootes)

CCD Image (50% size) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2015-05-14 22:51 h UT (#589042-46) 12" LX200R  (at f/10.4) + ST-10XME

Hickson 71 - Detail 71a - IC 4381 (catalog mag +14.4), 71b  - IC 4382 (catalog mag +14.8), 71c - PGC 50640 (catalog mag +16.2), 71d  - PGC 50641 (catalog mag +16.9)

Annotated CCD Image (cropped) Image details as above

Negative CCD Image (cropped) Image details as above

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IC 972 - Planetary Nebula (Abell 37)

IC 972 / Abell 37 (Virgo) Planetary Nebula is faintly visible in image below

CCD Image (cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2015-05-15 00:13 h UT (#589122-25) 12" LX200R  (at f/10.4) + ST-10XME

IC 972 - Wider View

CCD Image (50% size) Image details as above

IC 972 - Earlier Attempt (2010)

CCD Image (50% size, cropped) 5 x 60s exposure (average combine), 2x2 binning, C Filter 2010-05-02 23:09 h UT (#419121-25) 12" LX200 at f/9.7) + ST-10XME

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NGC 5634 - Globular Cluster (Herschel I-70)

NGC 5634  /  Herschel I-70  (Virgo)

CCD Image (Linear Scale, 50% size) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2015-05-14 23:06 h UT (#589055-58) 12" LX200R  (at f/10.4) + ST-10XME

NGC 5634 - detail

CCD Image (Log Scale, cropped) Image details as above [non-cropped image]

Negative CCD Image (Log scale, cropped) Image details as above

NGC 5634 - additional images

CCD Image (Log Scale, 35% size) 2 x 45s exposure (average combine), 2x2 binning, C Filter 2015-05-14 23:06 h UT (#589060-64) 12" LX200R  (at f/10.4) + ST-10XME

CCD Image (Log scale, cropped) 2x2 binning Image details as above

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NGC 6641 - Spiral Galaxy

NGC 6641 (Hercules) NB. No indication of PSN J18285823+2254106 reportedly discovered  2015/05/12.042 by Fabio Briganti at mag +16.3. Limiting magnitude of image below is +18.5

CCD Image (cropped) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2015-05-14 23:48 h UT (#589093-102) 12" LX200R  (at f/10.4) + ST-10XME

NGC 6641 - Wider View

CCD Image (50% size) Image details as above

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UGC 11469 - Spiral Galaxy with PSN

UGC 11469 (Cygnus)

CCD Image (50% size) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2015-05-15 00:37 h UT (#589147-53) 12" LX200R  (at f/10.4) + ST-10XME

UGC 11469 - Detail

Annotated CCD Image (cropped) Image details as above

UGC 11469 - with Possible Supernovae PSN J19435637+4758301 discovered 2015/04/28.398 by R. Gagiano, D. Post, Jack Newton, and Tim Puckett

Annotated CCD Image (300% size, negative, cropped) Image details as above

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