David's Astronomy Pages
|
![]() Images (S1319) |
![]() Images Main |
![]() Home Page |
![]() Images (S1321) |
Objects Session Notes
104P/Kowal - Comet (non-detection) C/2022 E2 (ATLAS) - Comet NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw - 29P/Schwassmann-Wachmann attempt failed (due to uneven sky background) Variable Stars (photometric monitoring) - T CrB, AM Her, BL Lac Nearby Stars (astrometric monitoring) - HH And (Ross 248)
- All-night session (4.4 hr) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:1°C (min) - CCD Temperature: -20°/-25°C - Notes from 2025-05-05 >> -
![]() |
Back to Top
104P/Kowal - 2025-05-06 (passing through Sagittarius) Sun Distance 5.26 AU (receeding) Earth Distance 4.49 AU (671.3 million km) |
104P/Kowal - 2025-05-06, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -15.32 arcsec/hr, Dec 2.64 arcsec/hr) |
|
![]() |
![]() |
|
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-05-06 01:57 UT (#1320104-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (125% size, square root scale, cropped) Image details as above |
|
Images of 104P/Kowal on Comets 2022 Page >> |
Back to Top
C/2022 E2 (ATLAS) - 2025-05-06 (passing through Andromeda) Sun Distance 4.21 AU (receeding) Earth Distance 5.00 AU (748.4 million km) |
C/2022 E2 (ATLAS) - 2025-05-06 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 12.09 arcsec/hr, Dec 7.26 arcsec/hr) |
|
![]() |
![]() |
|
Annotated CCD Image (50% size, square root scale) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-05-06 01:42 UT (#1320094-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
|
Images of C/2022 E2 (ATLAS) on Comets 2023 Page >> | ||
Images of C/2022 E2 (ATLAS) on Comets 2024 Page >> | ||
Images of C/2022 E2 (ATLAS) on Comets 2025 Page >> |
Back to Top
NGC 5957 with SN 2025fvw (Serpens) |
NGC 5957 with SN 2025fvw - 2025-05-05 (T+40.1d) Image below (2025-05-05.946) was taken 40.1 days after discovery of 2025fvw Position of reported supernova (still distinct, but fading) is shown by white cross-hairs Measured Magnitude +15.08 (Clear Filter) |
|
Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-05 22:47 UT (#1320016-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
SN 2025fvw - Light Curve |
|
Images of SN 2025fvw (in NGC 5957) on Supernova 2025 Page >> |
Back to Top
This Web Page: | Images - Session 1320 (2025-05-05) |
Last Updated : | 2025-05-10 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |