David's Astronomy Pages
CCD Images - Session 768 (2020-04-16)

Objects Session Notes
Bullet C/2019 Y4 (ATLAS)  - Comet
Bullet IC 1222 - Spiral Galaxy (ARP 73)  with SN 2020enm
Bullet NGC 5157 - Spiral Galaxy with Type 1a SN 2020ees
Bullet NGC 4636 - Elliptical Galaxy, with Type Ia Supernova 2020ue
Bullet UGC 6334 - Spiral Galaxy (PGC 34656)
Bullet UGC 7576 - Spiral Galaxy (PGC 40900)
Bullet UGC 9796 - Spiral Galaxy (PGC 54461)
   
Bullet Variable Stars (photometric monitoring)
  - AM CVn

- U Her attempt failed due to too few stars/link failure
   
Bullet Nearby Stars (astrometric monitoring)
 - None
 
  
   
- All night session (6.8 hours total).
- 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: -1.5°C (min)
(Dew heaters on auto)
- CCD Temperature:  -25°C  (69% av. power)
- Notes from 2020-04-16 >>
    
   

C/2019 Y4 (ATLAS)  - Comet

C/2019 Y4 (ATLAS) - 2020-04-16
(passing through Camelopardalis)
Sun Distance 1.17 AU (approaching)
Earth Distance 0.99 AU (148.3 million km)
   C/2019 Y4 (ATLAS)  - 2020-04-16, Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -184.02 arcsec/hr, Dec -45.57 arcsec/hr)
Image   Image
CCD Image (50% size, square root scale)
3 x 45s exposure (average combine), 3x3 binning, C Filter
2020-04-16 21:20 UT (#768003-05)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, log scale, cropped)
25 x 45s exposure (average combine), 3x3 binning, C Filter
2020-04-16 21:29 UT (#768003-27)
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 >>    


 C/2019 Y4 (ATLAS) - 2020-04-16
Image
 CCD Image (70% size, square root scale)
25 x 45s exposure (average combine), 3x3 binning, C Filter
2020-04-16 21:29 UT (#768003-27)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Image
 False Color CCD Image (70% size, square root scale)
Image details as above
 
Image
CCD Image (70% size, log scale)
Image details as above
 
 C/2019 Y4 (ATLAS) - 2020-04-16
Indications of comet fragmentation
Image
CCD Image (100% size, linear scale, cropped)
Unsharp Masked (um4)
Image details as above
 
Image
CCD Image (150% size, linear scale, cropped)
Unsharp Masked (um4)
Image details as above
 

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IC 1222 - Spiral Galaxy (ARP 73) with SN 2020enm

IC 1222 with SN 2020enm (Hercules)
IC 1222 (catalog mag +13.4), aliases  ARP 73, PGC 58544

SN 2020enm  (Type Ia-99a SN) discovered 2020/03/16.913 by Xingming Observatory Sky Survey (XOSS)
 (Rochester Supernova site |  Discovery Image |  mag +17.7 V at discovery)
 
IC 1222 with SN 2020enm - 2020-04-16 (T+31.0d)
Image (2020-04-16.913) taken 31.0 days after SN discovery.
SN shown by white cross hairs. Measured Magnitude +17.2
Image
Annotated CCD Image (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-16 21:54 UT (#768030-34)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020enm (IC 1222) on Supernovae 2020 Page >>

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NGC 5157 - Spiral Galaxy with Type 1a Supernovae 2020ees

NGC 5157 with SN 2020ees (Canes Venatici)
SN 2020ees (Type 1a), discovered 2020/03/05.472 by ATLAS
 (Rochester Supernova site | Odd Trondal image  )

Image below (2020-04-16.928) was taken 42.46 days after discovery of SN 2020ees
SN is shown by white cross hairs.   Estimated SN magnitude +16.9
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-16 22:17 UT (#768037-41)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 5157 with SN 2020ees - Earlier Image (2020-03-27)
Image below (2020-04-06.948) was taken 32.48 days after discovery of SN 2020ees
SN is shown by white cross hairs.   Estimated SN magnitude +16.7
Image taken under very poor sky conditions, thin cloud & moonlight
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-06 22:45 UT (#766021-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 5157 with SN 2020ees - Earlier Image (2020-03-27)
Image below (2020-03-27.928) was taken 22.46 days after discovery of SN 2020ees
SN is shown by white cross hairs.   Estimated SN magnitude +16.4
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-03-27 22:17 UT (#764081-85)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 
NGC 5157 with SN 2020ees - Earlier Wide View (2020-03-27)
SN 2020ees, Type 1a Supernova
Other galaxies in view :  PGC 47206 (catalog mag +15.5),
PGC 1972782 (+17.8),  PGC 1978267 (+17.9), 
PGC 1977070 (+18.0), PGC 1979392 (+18.1)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-03-27 22:17 UT (#764081-85)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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NGC 4636 - Elliptical Galaxy (H II 38), with Type Ia Supernova 2020ue

NGC 4636 with SN 2020ue (Virgo)
SN 2020ue Type1a discovered 2020/01/12.722 by Koichi Itagaki
 (Rochester Supernova siteDiscovey Image, K.Itagaki | SN 2020ue sub-page  |
 
NGC 4636 with SN 2020ue - 2020-04-16 (T+95.2d)
Image below (2020-04-16.946) was taken 95.2 days after discovery of SN 2020ue
Estimated SN magnitude +15.6 (calibrated)
Image
Annotated CCD Image (100% size, log scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-16 22:42 UT (#768046-48)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020ue (NGC 4636) on Supernovae 2020 Page >>

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UGC 6334 - Spiral Galaxy (PGC 34656)

UGC 6334 (Ursa Major)
Ring Galaxy, J.Lowrey List
Alias: PGC 34656
Note: image shows a satellite track crossing the field of view
Image
CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-16 23:13 UT (#768056-60)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 6334 - Detail
Image
CCD Image (100% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (100% size, square root scale, cropped)
Image details as above
 
UGC 6334 - Earlier Image (2020-04-13)
Note: single frame only due to cloud, ring structure is not discernable
Image
CCD Image (100% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, C Filter
2020-04-13 22:14 UT (#767030)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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UGC 7576 - Spiral Galaxy (PGC 40900)

UGC 7576 (Coma Berenices)
Ring Galaxy, J.Lowrey List
UGC 7576 / PGC 40900 (catalog mag +16.6)
Image
CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-16 23:35 UT (#768063-67)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Image
Negative CCD Image (125% size, square root scale, cropped)
Image details as above
 
UGC 7576 - Earlier Image  (2020-04-14)
Image
CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-14 00:36 UT (#767077-81)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 7576 - Earlier Wider View (2020-04-14)
UGC 7576 / PGC 40900 (catalog mag +16.6)
with several adjacent galaxies :
NGC 4448 / H I-91 (catalog mag +11.2), PGC 1843133 (catalog mag +16.1)
PGC 40901 (catalog mag +16.9), PGC 1843743 (catalog mag +17.0)
PGC 1841207 (catalog mag +17.9), PGC 1843788 (catalog mag +18.8)
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-14 00:36 UT (#767077-81)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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UGC 9796 - Spiral Galaxy (PGC 54461)

UGC 9796 (Bootes)
Ring Galaxy, J.Lowrey List
UGC 9796 /  PGC 54461 (catalog mag +16.1)
with several adjacent galaxies :
PGC 54478 (catalog mag +16.3), PGC 2214734 (catalog mag +17.4)
PGC 2214320 (catalog mag +17.7), PGC 2215545 (catalog mag +18.1))
Image
Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-04-17 00:57 UT (#768089-91)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 9796 - Detail
Image
CCD Image (125% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (125% size, square root scale, cropped)
Image details as above
 

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