David's Astronomy Pages CCD Images - Session 789 (2020-06-01)

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Images (S790)

Objects	Session Notes
NGC 6309 - Planetary Nebula (The 'Box Nebula') NGC 4651 - Spiral Galaxy     Variable Stars (photometric monitoring) - CI Cyg, SS Cyg, SS Her     Nearby Stars (astrometric monitoring) - Barnards Star	- All Night Session (1.3 hours total).  - Main aims of the session was to acquire images of NGC 6309.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 11.5°C (min) - CCD Temperature:  -10°C  - Notes from 2020-06-01 >>

NGC 6309 - Planetary Nebula (The 'Box Nebula')

NGC 6309 (Ophiuchus) Ast. Now Deep Sky Challenge Object, Jun 2020

Annotated CCD Image (50% size, square root scale) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2020-06-02 00:11 UT (#789021-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 6309 - Detail

CCD Image (150% size, square root scale, cropped) Image details as above

Negative CCD Image (150% size, square root scale, cropped) Image details as above

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NGC 4651 - Spiral Galaxy

NGC 4651 (Coma Berenices) Inspired by picture in Ast. Now, Jun 2020 Image not centered (NGC 4651 at far left of image) and needs to be rescheduled for darker sky conditions

CCD Image (100% size, square root scale, cropped) 3 x 120s exposure (average combine), 3x3 binning, C Filter 2020-06-01 23:43 UT (#789005-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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