David's Astronomy Pages Images - Session 582 (2015-03-27)

Images (S581)

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Images (S583)

Objects	Session Notes
Moon Venus - Planet     NGC 2388 - Spiral Galaxy NGC 6742 - Planetary Nebula (Abell 50)     UGC 8331 - Irregular Galaxy     Photometric Monitoring - Variables   - RZ And, U And, W And, Z And, R CrB, U Gem, DY Per, GK Per, RR Tau     Astrometric Monitoring - Nearby Stars   - None	- Evening session (3.2 hrs duration).   Poor seeing. - Session operated under semi-automated control, with remote monitoring from indoors computer.   - Ambient Temperature:  minimum of +2°C - CCD operation -30°C (at 80% average cooling).  - Main objectives of the session was to monitor selected variable stars & nearby stars and to take gallery images of a range of deep sky objects.   -   -

Moon

Moon (55.5% phase)

CCD Image Mosaic (20% size) 3x4 mosaic, 0.12 sec exposure, 2x2 binning, 1.5% Neutral Density Filter 2015-03-27 20:34hUT (#582043-54) 12" LX200R  (at f/10.4) + ST-10XME

Moon - detail

Part of CCD Image Mosaic (75% size, cropped) Image details as above

Moon - detail

Processed CCD Image (unsharp masked, 100% size, cropped) 0.12 sec exposure, 2x2 binning, 1.5% Neutral Density Filter 2015-03-27 20:48hUT (#582105) 12" LX200R  (at f/10.4) + ST-10XME

Moon - detail

Processed CCD Image (stacked, unsharp masked, 75% size, cropped) 4 x 0.12 sec exposure, 2x2 binning, 1.5% Neutral Density Filter 2015-03-27 20:48hUT (#582084-97) 12" LX200R  (at f/10.4) + ST-10XME [100% size]

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Venus - Planet

Venus (phase 79.4%, angular diameter 14")

Annotated CCD Image (cropped) 0.12 sec exposure (single frame), 1x1 binning, 1.5% Neutral Density Filter 2015-03-27 20:24hUT (#582041) 12" LX200R  (at f/10.4) + ST-10XME

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UGC 8331 - Irregular Galaxy

UGC 8331 (Canes Venatici)

CCD Image (100% size, cropped) 4 x 120 sec exposure (average combine), 3x3 binning, C Filter 2015-03-27 21:46hUT (#582161-64) 12" LX200R  (at f/10.4) + ST-10XME

UGC 8331 - wider view

CCD Image (50% size Image details as above

UGC 8331 - Earlier attempt (2014-11-08) UGC 8331 (position circled) is not visible or is very faint in this earlier moonlit image.

CCD Image (50% size) 3 x 120 sec exposure (average combine), 3x3 binning, C Filter 2014-11-08 00:33hUT (#569323-25) 12" LX200R  (at f/9.7) + ST-10XME

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NGC 2388 - Spiral Galaxy

NGC 2388 (Gemini)

Annotated CCD Image (100% size, cropped) 2 x 90 sec exposure (average combine), 3x3 binning, C Filter 2015-03-27 21:46hUT (#582228-33) 12" LX200R  (at f/10.4) + ST-10XME

NGC 2388 - wider view

CCD Image (50% size) Image details as above

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NGC 6742 - Planetary Nebula (Abell 50, PLN 78+18.1)

NGC 6742 (Draco) Alias: Abell 50, PLN 78+18.1

CCD Image (50% size) 5 x 60 sec exposure (average combine), 3x3 binning, C Filter 2015-03-27 22:31hUT (#582207-15) 12" LX200R  (at f/10.4) + ST-10XME

NGC 6742 - detail

CCD Image (100% size, cropped) Image details as above

NGC 6742 - spectral image

CCD Image (100% size, cropped) 3 x 60 sec exposure (average combine), 3x3 binning, Star Analyser 200 Filter 2015-03-27 22:31hUT (#582208-12) 12" LX200R  (at f/10.4) + ST-10XME

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