David's Astronomy Pages CCD Images - Session 793 (2020-07-06)

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Images (S794)

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Session Notes

Berkeley 90 - Open Cluster     Variable Stars (photometric monitoring) - R CrB, CI Cyg, S Cyg, AM Her, BL Lac, CY Lyr - SS Cyg attempt failed due to cloud     Nearby Stars (astrometric monitoring) - Barnards Star

- All Night Session (0.6 hours total).  - Main aims of the session was to acquire images of selected targets (southern targets if possible) if conditions allowed.  Session unfortunately finished early due to operational problems and poor skies.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 8°C (min) - CCD Temperature:  -15°C  - Notes from 2020-07-06 >>

Berkeley 90 - Open Cluster

Berkeley 90 (Cygnus) Berkeley Catalogue

CCD Image (70% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-07 01:02 UT (#793088-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Berkeley 90 - Earlier Image (2020-05-06)

CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-05-06 23:04 UT (#780068-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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