David's Astronomy Pages
CCD Images - Session 840 (2020-12-20)

Objects Session Notes
Bullet UGC 678 - Spiral Galaxy with Type II Supernova 2020abjq
Bullet NGC 514 - Spiral Galaxy with Type Ia Supernova 2020uxz
Bullet UGC 1161 - Spiral Galaxy with Type Ia Supernova 2020acch
Bullet AT2020adfc - Attempted Observation (CV)
Bullet AT2020acxk - Variable Star (CV)
Bullet VV 176 - Interacting Galaxies (UGC 1191A)
Bullet VV 177 - Interacting Galaxies (PGC 6270)
Bullet AT2020adcx, minor brightening - Variable Star (Type ?)
Bullet SN 2020aagy - Type II Supernova in WISEA J005708.87 +544449.6
Bullet VV 96 - Interacting Galaxy (UGC 2069)
Bullet NGC 7640 - Spiral Galaxy
Bullet PGC 3792 - Local Group Galaxy (Pisces Dwarf), 3.0 mly
Bullet VV 94 - Interacting Galaxy (PGC 8704)
Bullet Nova Per 2020 - Nova (V1112 Per, AT2020abap)
Bullet C/2020 M3 (Atlas) - Comet
Bullet UGC 4148 - Spiral Galaxy (PGC 22446)
Bullet PGC 1279557 - Galaxy with Transient AT2020abgp
Bullet AT2020aavs - Transient (?YSO Outburst) within the "Witch Head Nebula", Attempted Observation
Bullet UGCA 188 - Spiral Galaxy (PGC 28627)
Bullet UGC 4043 - Spiral Galaxy (PGC 21970)
Bullet PGC 23319 - Spiral Galaxy
Bullet PGC 25871 - Spiral Galaxy
Bullet UGCA 337 - Irregular Galaxy (PGC 45897)
Bullet NGC 3697 - Spiral Galaxy with Type Ia Supernova 2020aavb
Bullet UGC 6791 - Spiral Galaxy (PGC 36932)
Bullet UGC 9340 - Spiral Galaxy (PGC 51864) with Type II Supernova 2020acac
Bullet UGC 9625 - Spiral Galaxy (PGC 53470) with Type Ia Supernova 2020acai (Attempt)
   
Bullet Variable Stars (photometric monitoring)
- U And, AM CVn, SY Cnc, SS Cyg, U Mon, RR Tau

   
Bullet Nearby Stars (astrometric monitoring)
- Groombridge 34
  
   
- All night session (12 hours)
- Main aims of the session were the acquisition of a selection of variable star, nearby star and comet targets and deep sky targets
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature: 5°C (min)
- CCD Temperature:  -20°C
- Notes from 2020-12-20 >>
    
-  
   

UGC 678 - Spiral Galaxy with Type II Supernova 2020abjq

UGC 678 with SN 2020abjq  (Pisces)
Alias: ATLAS20bgkm
SN 2020abjq (Type II, zhost=0.018433) discovered 2020/12/02.377 UT by ATLAS
 ( Rochester Supernova site )
Image
Annotated CCD Image  (50% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 17:42 UT (#840012-16)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 678 with SN 2020abjq  - 2020-12-20 (T+18.4d)
Image below (2020-12-20.738) was taken 18.4 days after discovery of SN 2020abjq
SN is shown by white cross hairs.  Magnitude +16.0
Image
Annotated CCD Image  (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 17:42 UT (#840012-16)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT2020abjq (UGC 678) on Supernovae 2020 Page >>
 

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NGC 514 - Spiral Galaxy with Type Ia Supernova 2020uxz

NGC 514 (Pisces)
SN 2020uxz (Type 1a), discovered 2020/10/05.573 by Koichi Itagaki
 (Rochester Supernova site | Discovery Image | )
 
NGC 514 with SN 2020uxz - 2020-20-20 (T+76.2)
Image below (2020-12-20.751) was taken 76.2 days after discovery of SN 2020uxz
SN is shown by white cross hairs.  Magnitude +15.9
Image
Annotated CCD Image  (100% size, square root scale, cropped)
4 x 120s exposure (average combine), 3x3 binning, C Filter
2020-12-20 18:02 UT (#840019-23)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020uxz (NGC 514) on Supernovae 2020 Page >>
 

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UGC 1161 - Spiral Galaxy with Type Ia Supernova 2020acch 

UGC 1161 with SN 2020acch (Andromeda)
SN 2020acch (Type: Ia,  zhost=0.017072) discovered 2020/12/10.204 UT by ZTF
Alias: ZTF20acvziuf
 ( Rochester Supernova site )
Image
Annotated CCD Image  (50% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 18:34 UT (#840036-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 1161 with SN 2020acch  - 2020-12-20 (T+10.6d)
Image below (2020-12-20.774) was taken 10.6 days after discovery of SN 2020acch
SN is shown by white cross hairs.  Magnitude ~ +16.0
Image 
Annotated CCD Image  (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 18:34 UT (#840036-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020acch (UGC 1161) on Supernovae 2020 Page >>
 

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AT2020adfc - Attempted Observation (CV)

AT2020adfc (Gemini)
RA Dec 2000 Coords: 06:09:48.760 +26:01:10.30
Alias: MASTER OT J060948.76+260110.3
AT2020adfc (Type: CV) discovered 2020/12/19.211 UT by MASTER
Magnitude at discovery +11.9 vs normal magnitude ??
 ( Rochester Supernova site | Discovery image | )
 
AT2020adfc, 2020-12-20 (T+1.6d)
Image below (2020-12-20.813) was taken 1.6 days after reported discovery of AT2020adfc
No indication of any bright object at the reported position of the CV (shown by white circle).
Transient is not confirmed.
  (Transient has either dimmed back to normal magnitude or its report was somehow in error.)
Image
Annotated CCD Image (50% size, linear scale)
4 x 60s exposure (average combine), 3x3 binning, C Filter
2020-12-20 19:30 UT (#840055-59)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT2020adfc - Detail, 2020-12-20 (T+5.2d)
Image
Annotated CCD Image (100% size, linear scale, cropped)
Image details as above
 

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AT2020acxk, outburst of candiate CV (CRTS J010522.2+110253) - Variable Star (CV)

AT2020acxk (Pisces)
AT2020acxk (Type: CV) discovered 2020/12/16.316 UT by Gaia
Alias: Gaia20ftq, CRTS J010522.2+110253
Magnitude at discovery +15.1 vs normal magnitude of +20.8
 ( Rochester Supernova site )
 
AT2020acxk, 2020-12-20 (T+4.5d)
Image below (2020-12-20.821) was taken 4.5 days after discovery of AT2020acxk
CV is shown by white cross hairs.  Measured magnitude +15.6
Image
Annotated CCD Image (50% size, linear scale)
5 x 60s exposure (average combine), 3x3 binning, C Filter
2020-12-20 19:42 UT (#840061-65)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT2020acxk - Detail, 2020-12-20 (T+4.5d)
Image
Annotated CCD Image (100% size, linear scale, cropped)
Image details as above
 

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VV 176 - Interacting Galaxies (UGC 1191A)

VV 176 / UGC 1191A (Pisces)
Vorontsov-Velyaminov Catalogue

with VV 177 (PGC 6270) in same field of field
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 20:03 UT (#840069-72)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
VV 176 / UGC 1191A -  Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (150% size, square root scale, cropped)
Image details as above
 

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VV 177 - Interacting Galaxies (PGC 6270)

VV 177 / PGC 6270 (Pisces)
Vorontsov-Velyaminov Catalogue

with VV 176 (UGC 1191A) in same field of field
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 20:03 UT (#840069-72)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
VV 177 / PGC 6270 -  Detail
Image
Annotated CCD Image (150% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (150% size, square root scale, cropped)
Image details as above
 

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AT2020adcx, minor brightening - Variable Star (Type ?)

AT2020adcx (Cygnus)
Alias: Gaia20fup
AT2020adcx (Type: ? CV) discovered 2020-12-18 UT by Gaia
Magnitude at discovery +14.1 vs normal magnitude of +14.3
Bright galactic plane source rises by 0.3 mag;
candidate microlensing event or Be-type outburst (Gaia)
 ( Rochester Supernova site , Gaia20fup page (Gaia site) )
 
AT2020adcx, 2020-12-20 (T+2.7d)
Image below (2020-12-20.821 was taken 2.7 days after discovery/identification of AT2020adcx
Transient is shown by white cross hairs.  Measured magnitude +14.1
Image
Annotated CCD Image (50% size, linear scale)
4 x 60s exposure (average combine), 3x3 binning, C Filter
2020-12-20 20:17 UT (#840075-79)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT2020adcx - Detail, 2020-12-20 (T+2.7d)
Image
Annotated CCD Image (100% size, linear scale, cropped)
Image details as above
 

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SN 2020aagy - Type II Supernova in WISEA J005708.87 +544449.6

SN 2020aagy (Cassiopeia)
SN 2020aagy (Type: II) discovered 2020/11/17.364 UT by ATLAS
Alias: ATLAS20bfpj
 ( Rochester Supernova site )
Image
Annotated CCD Image  (50% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 20:57 UT (#840087-91)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
SN 2020aagy - 2020-12-20 (T+33.5d)
Image below (2020-12-20.873) was taken 33.5 days after discovery of SN 2020aagy
SN is shown by white cross hairs.  Magnitude ?
Image
Annotated CCD Image  (200% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 20:57 UT (#840087-91)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020aagy on Supernovae 2020 Page >>
 

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VV 96 - Interacting Galaxy (UGC 2069)

VV 96 / UGC 2069 (Andromeda)
Vorontsov-Velyaminov Catalogue
Alias: PGC 9852
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 21:20 UT (#840093-97)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
VV 96 / UGC 2069 -  Detail
Image
Annotated 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
 

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NGC 7640 - Spiral Galaxy

NGC 7640 (Andromeda)
Taken through Dual Band Filter
Galaxy is brighter than earlier Ha filter image
but less bright than earlier C filter image
Image
CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, DB Filter
2020-12-20 21:45 UT (#840101-05)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 7640 - Earlier Image (2020-11-28)
Taken through Ha Narrow Band Filter - Full Moon
(intended to be taken from Dual Band filter !)
Galaxy is hardly visible
Image
CCD Image (50% size, square root scale)
6 x 180s exposure (average combine), 3x3 binning, Ha Filter
2020-11-28 22:35 UT (#836197-202)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 7640 - Earlier Image (2019-12-30)
Taken through Clear Filter, Moonless Night
Image
CCD Image (50% size, square root scale)
6 x 180s exposure (average combine), 3x3 binning, DB Filter
2019-12-30 19:10 UT (#733010-15)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 7640 - Detail
Image
CCD Image (100% size,square root scale, cropped)
Image details as above
 

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PGC 3792 - Local Group Galaxy (Pisces Dwarf), 3.0 mly

PGC 3792 / Pisces Dwarf (Pisces)
Expected location of PGC 3792 shown by white circle
Trace of some objects are just visible within circle and these might be part of the LG galaxy
Image
CCD Image (70% size, square root scale)
3 x 180s exposure (summed), 3x3 binning, C Filter
2020-12-20 22:06 UT (#840107-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Later image of PGC 3792 / Pisces Dwarf (2022-01-07 S950) >>
 
PGC 3792 / Pisces Dwarf - Earlier Image (2012)
Expected location of PGC 3792 shown by white circle
Image
Annotated CCD Image (50% size)
5 x 90s exposure (average combine), 3x3 binning, C Filter 
2012-11-02  22:05 hUT (#520203-07)
12" LX200R  (at f/9.7) + ST-10XME

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VV 94 - Interacting Galaxy (PGC 8704)

VV 94 (Andromeda)
Vorontsov-Velyaminov Catalogue
Alias: PGC 8704
VV 94 is faint and very small
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-20 22:54 UT (#840120-23)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
VV 94 -  Detail
Image
CCD Image (150% size, square root scale, cropped)
Image details as above
 

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Nova Per 2020 - Nova (V1112 Per, AT2020abap)

Nova Per 2020 (Perseus)
Nova in Perseus discovered 2020/11/25.807,
discovered independently by Seiji Ueda and Stanislav Korotkiy et al
AT2020abap (Type: CV) flagged 2020/11/27.230 UT by PGIR
Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per
Nova indicated by white cross-hairs
Image
Annotated CCD Image (50% size, linear scale)
4 x 90s exposure (average combine), 3x3 binning, C Filter
2020-12-20 23:09 UT (#840125-29)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Nova Per 2020 - 2020-12-20 (T+25.2d)
Image below (2020-12-20.821) was taken 25.2 days after discovery of Nova
Nova is shown by white cross hairs.  Measured magnitude +11.3
Image
CCD Image (100% size, linear scale, cropped)
Image details as above
 
Images of Nova Per 2020 on Novae Page >>
 

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C/2020 M3 (Atlas) - Comet

C/2020 M3 (Atlas)
(passing through Auriga)

Sun Distance 1.51 AU (receeding)
Earth Distance 0.55 AU (82.4 million km)
   C/2020 M3 (Atlas) - 2020-12-20, Detail
Autoguided on offset star using PHD2 with Lock Shift
set at the comet's rate of motion
(Ra -12.89 arcsec/hr, Dec 75.42 arcsec/hr)
Image   Image
CCD Image (50% size, square root scale)
2 x 15s exposure (average combine), 3x3 binning, C Filter
2020-12-20 23:17 UT (#840133-35)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  CCD Image (100% size, square root scale, cropped)
13 x 15s exposure (average combine), 3x3 binning, C Filter
2020-12-20 23:19 UT (#840131-45)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
     
Images of C/2020 M3 (Atlas) on Comets 2020 Page >>    

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UGC 4148 - Spiral Galaxy (PGC 22446)

UGC 4148 (Lynx)
Flat Galaxy Atlas
Alias: PGC 22446
Image
Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 00:16 UT (#840157-58)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 4148 -  Detail
Image
Annotated 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
 

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PGC 1279557 - Galaxy with Transient AT2020abgp

PGC 1279557 w/AT2020abgp (Sextans)
AT2020abgp (Type: unk) discovered 2020/11/30.509 UT by ZTF
Alias: ZTF20acuksal. In WISEA J100805.16+051141.9
Transient mag at discovery : +15.5
 ( Rochester Supernova site )
Image
Annotated CCD Image  (50% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 00:40 UT (#840165-69)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT2020abgp - 2020-12-21 (T+20.5d)
Image below (2020-12-21.028) was taken 20.5 days after discovery of AT2020abgp
Galaxy total magnitude +16.4 (vs. Host Gal. Mag +17.4)
Transient is not definately confirmed  (transient may have dimmed since discovery)
Image
Annotated CCD Image  (100% size, square root scale, cropped)
Image details as above
 
Images of AT2020abgp (PGC 1279557) on Supernovae 2020 Page >>
 

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AT2020aavs - Transient (?YSO Outburst) within the "Witch Head Nebula", Attempted Observation

AT2020aavs (Eridanus)
Alias: ASASSN-20ot
AT2020aavs (Type: YSO?) discovered 2020/11/22.540 UT by ASAS-SN
Transient mag at discovery : +16.6
 ( Rochester Supernova site )
Image
CCD Image  (50% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 01:01 UT (#840172-76)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT2020aavs - 2020-12-21 (T+28.5d)
Image below (2020-12-21.042) was taken 28.5 days after discovery of AT2020aavs
Transient (position circled) is not confirmed, the transient has probably dimmed since discovery.
Adjacent stellar object with mag +16.1 is seen on DSS2 Image in Aladin
and is not thought to be the transient.
Image
Annotated CCD Image  (100% size, square root scale, cropped)
Image details as above
 
Images of AT2020aavs on Supernovae 2020 Page >>
 

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UGCA 188 - Spiral Galaxy (PGC 28627)

UGCA 188 (Leo)
Alias: PGC 28627 (catalog mag +16.2)
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 01:32 UT (#840189-93)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGCA 188 -  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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UGC 4043 - Spiral Galaxy (PGC 21970)

UGC 4043 (Lynx)
Flat Galaxy Atlas
Alias: PGC 21970
Image
CCD Image (50% size, square root scale)
180s exposure (single frame), 3x3 binning, C Filter
2020-12-21 01:54 UT (#840197)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 4043 -  Detail
Imaging affected by poor autoguiding.
Only 1 frame was usable. Target to be rescheduled for a future session
Image
CCD Image (100% size, square root scale, cropped)
Image details as above
 

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PGC 23319 - Spiral Galaxy

PGC 23319 (Cancer)
PGC 23319 (catalog mag +14.4)
with other galaxies:
PGC 23355 (catalog mag +14.9), PGC 23308 (catalog mag +15.9),
PGC 1644267 (catalog mag +17.2),  PGC 1643869 (catalog mag +17.9),
PGC 1645975 (catalog mag +18.0)
Image
Annotated CCD Image (50% size, square root scale)
6 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 02:18 UT (#840201-06)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
PGC 23319 -  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
 

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PGC 25871 - Spiral Galaxy

PGC 25871 (Cancer)
Ring Galaxy, J.Lowrey List
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 02:42 UT (#840208-12)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
PGC 25871 -  Detail
Image
CCD Image (150% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (150% size, square root scale, cropped)
Image details as above
 

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UGCA 337 - Irregular Galaxy (PGC 45897)

UGCA 337 (Canes Venatici)
Alias: PGC 45897
Image
Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 03:05 UT (#840215-19)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGCA 337 -  Detail
Image
CCD Image (150% size, square root scale, cropped)
Image details as above
 
Image
Negative CCD Image (150% size, square root scale, cropped)
Image details as above
 

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NGC 3697 - Spiral Galaxy with Type Ia Supernova 2020aavb

NGC 3697 w/ SN 2020aavb (Leo)
SN 2020aavb (Type Ia, z=0.020884), discovered 2020/11/23.116 by F.Briganti and P.Campaner (ISSP)
 ( Rochester Supernova site | Discovery Image | Paolo Campaner image )
SN 2020aavb shown by white cross hairs
Image
Annotated CCD Image  (50% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 03:28 UT (#840222-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 3697 w/ SN 2020aavb - 2020-12-21 (T+28.0d)
Image below (2020-12-21.144) was taken 28.0 days after discovery of SN 2020aavb
SN is shown by white cross hairs.  Magnitude +16.5 (vs +17.0 at discovery)
Image
Annotated CCD Image  (100% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 03:28 UT (#840222-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 3697 - 2011-05-01 (T-3493.0d)
Image below (2011-05-01) was taken 3493 days (9.56 years) before discovery of SN 2020aavb
Image
CCD Image  (100% size, linear scale, cropped)
2 x 120 sec exposure (average combine), 3x3 binning, C Filter 
2011-05-01 23:16 h UT  (#474089-90)
12" LX200R  (at f/9.7) + ST-10XME
 
Images of SN 2020aavb (NGC 3697) on Supernovae 2020 Page >>
 

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UGC 6791 - Spiral Galaxy (PGC 36932)

UGC 6791 (Leo)
Flat Galaxy Atlas

Alias: PGC 36932
[ Flat Galaxies ]
Image
Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 04:43 UT (#840231-32)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 6791 -  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
 

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UGC 9340 - Spiral Galaxy (PGC 51864) with Type II Supernova 2020acac

UGC 9340 (Bootes)
UGC 9340 / PGC 51864 (catalog mag +14.5), with several adjacent galaxies :
PGC 51835 (catalog mag +15.3), PGC 1741605 (catalog mag +16.4),
PGC 1736244 (catalog mag +17.1), PGC 1740830 (catalog mag +17.2),
PGC 1740898 (catalog mag +17.4), PGC 1737195  (catalog mag +17.5),
PGC 1736173 (catalog mag +17.7), PGC 1740995 (catalog mag +17.8),
PGC 1738444 (catalog mag +18.1)
Image
Annotated CCD Image  (50% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 04:58 UT (#840234-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 9340 - Detail
Image
CCD Image  (125% size, square root scale, cropped)
Image details as above
 
 
UGC 9340 w/ SN 2020acac ? (Bootes)
SN 2020acac (Type: II, zhost=0.015137) discovered 2020-12-05.535 UT by ZTF
Alias: ZTF20acbjgoa, Gaia20fpu

Image below (2020-12-21.207) was taken 15.7 days after discovery of SN 2020acac
SN is assumed to be the object shown by white cross hairs.  Magnitude ?
Image
Annotated CCD Image  (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 04:58 UT (#840234-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2020acac (UGC 9340) on Supernovae 2020 Page >>
 

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UGC 9625 - Spiral Galaxy (PGC 53470) with Type Ia Supernova 2020acai (Attempt)

UGC 9625 (Virgo)
Alias :  PGC 53470 (catalog mag +14.7)
Image
Annotated CCD Image  (50% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 05:14 UT (#840242-44)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 9625 w/ SN 2020acai (Virgo)
SN 2020acai (Type: Ia, z host=0.026892) discovered 2020-12-09.561 UT by ZTF
Alias: ZTF20acwfftd, Gaia20ftm
Mag ~ +18.0 at discovery, dimming to +18.5

Image below (2020-12-21.218) was taken 11.7 days after discovery of SN 2020acai
No indication of SN object
Image
CCD Image  (100% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, C Filter
2020-12-21 05:14 UT (#840242-44)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 

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