David's Astronomy Pages CCD Images - Session 635 (2018-10-30)

Images (S634)

Images Sessions

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Images (S636)

Objects

Session Notes

M56 - Globular Cluster     Photometric Monitoring - Variables    - None       Astrometric Monitoring - Nearby Stars   - EV Lac   - Ross 248 (HH And) attempt (failed due to cloud)

- Night Session (0.9 hours duration) . Brief clear period within a night of clouds/showers rolling in from North Sea on south-easterly winds. - Main aim of the session was to test routines for inserting a Target of Opportunity into an actively running job queue.      - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  4°C (minimum)  - CCD Temperature:  -20°C (78% av. power) - Notes from 2018-10-30 >>

Observing Summary

Observing Result (2018-10-30, S635)

(Observation Result :  Green=Completed, Yellow= Partially Completed)

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M56 - Globular Cluster

M56  (Lyra) (Alt Name NGC 6779)

CCD Image (Linear scale, 85% size, cropped) 5 x 20s exposure (average combine), 3x3 binning, C Filter 2018-10-29 00:26h UT (#635003-10) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [100% size ]

M56 - Detail

CCD Image (Log scale, 85% size, cropped) Image details as above [100% size ]

M56 - Earlier Image (2017)

CCD Image (Square Root Scaling, 75% size, cropped) Image details as above [ 100% size ]

M56 - Earlier Image (2009)

CCD image (Linear Scale, 75% size, cropped)  3 x 15s sec exposure (median combine), 2x2 binning, C Filter 2009-05-11 23:29h UT (#368109-11) 12" LX200R  (at f/5.7) + ST-10XME

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