David's Astronomy Pages CCD Images - Session 756 (2020-02-26)

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Session Notes

C/2017 T2 (PanStarrs) - Comet C/2019 Y4 (ATLAS)  - Comet Rose 25 - Compact Galaxy Group (PGC 54033 et al) M10 - Globular Cluster     Variable Stars (photometric monitoring)   - FU Ori, DY Per, RR Tau     Nearby Stars (astrometric monitoring)  - Barnards Star, Groombridge 34, LAMOST-HVS1, Scholz's Star

- All night session (11.2 hours total), but shutter closed through middle of night due to cloud. - Main aims of the session was to  acquire images of a selection of deep sky and comet objects     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  -1°C (min) (Dew heaters on auto) - CCD Temperature:  -25°C  (68% av. power) - Notes from 2020-02-26 >>

C/2017 T2 (PanStarrs) - Comet

C/2017 T2 (PanStarrs) - 2020-02-26  (passing through Cassiopeia) Sun Distance 1.85 AU Earth Distance 1.73 AU (259.1 million km)		C/2017 T2 (PanStarrs) - 2020-02-26, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra 16.22 arcsec/hr, Dec 23.95 arcsec/hr)
CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-26 18:59 UT (#756014-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-26 19:02 UT (#756014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2017 T2 (PanStarrs) on Comets 2019 Page
Images of C/2017 T2 (PanStarrs) on Comets 2020 Page

False Colour Image of C/2017 T2 (PanStarrs) - 2020-02-26

False Colour CCD Image (50% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-26 19:02 UT (#756014-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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C/2019 Y4 (ATLAS)  - Comet

C/2019 Y4 (ATLAS) - 2020-02-26 (passing through Ursa Major) Sun Distance 2.05 AU Earth Distance 1.26 AU (188.2 million km)		C/2019 Y4 (ATLAS)  - 2020-02-26, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -108.51 arcsec/hr, Dec 89.08 arcsec/hr)
CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2020-02-26 20:51 UT (#756080-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2020-02-26 20:54 UT (#756080-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2019 Y4 (ATLAS) on Comets 2020 Page >>

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Rose 25 - Compact Galaxy Group (PGC 54033 et al)

Rose 25 / PGC 54033 et al (Bootes) Rose Catalogue Note: Single frame only due to passing cloud. Target needs to be repeated

Annotated CCD Image (50% size, square root scale) 180s exposure (single frame), 3x3 binning, C Filter 2020-02-27 01:32 UT (#756089) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Rose 25 - Detail Note: detail is poorly resolved in this single frame image

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

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M10 - Globular Cluster

M10  (Ophiuchus)

CCD Image (70% size, square root scale) 10 x 20s exposure (average combine), 3x3 binning, C Filter 2020-02-27 05:42 UT (#756095-108) 12" LX200R (at f/10.4) + ST-10XME

CCD Image (50% size, square root scale) Image details as above

M10 - Earlier Image (2005)

CCD Image  4 x 20 sec exposure (average), clear filter 2005-08-14  21:40 h UT (#92063-67) 8" LX200 Classic + ST-7E

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