David's Astronomy Pages CCD Images - Session 745 (2020-01-25)

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Images (S746)

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Session Notes

Basel 4 - Open Cluster     Variable Stars (photometric monitoring)   - FO Ori, NV Ori, SU Tau     Nearby Stars (astrometric monitoring)  - None

- Late evening session (0.9 hours total). - Main aims of the session was to test new features in AstroMain program and acquire a selection of deep sky objects if sky conditions allowed     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  6°C (min) (Dew heaters on auto) - CCD Temperature:  -20°C  (71% av. power) - Notes from 2020-01-25 >>

Basel 4 - Open Cluster

Basel 4 (Auriga) SAC Basel 4,  Saguaro Astronomy Club Database Although the image is centered on the target object 'SAC Basel 4' in TheSky6 the center of star clustering appears to lie to the left of center. Note: Stars are slightly elongated (up/down) due to wind & poor guiding Target to be re-imaged in a follow-up session using target offsets -6.0' W, -1.5' N

CCD Image (70% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-25 23:12 UT (#745025-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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