AAVSO International Database
Alert Notice 834 - V844 Her in outburst and photometry needed
October 3, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/v-844-her-campaign
- Cataclysmic Variables: https://www.aavso.org/v-844-her-campaign-01
Alert Notice 833: LL Lyr to be observed with HST in September/October
September 20, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/hst-campaign-dwarf-novae-2022-2023
- Cataclysmic Variables: https://www.aavso.org/hst-campaign-dwarf-novae-2022-2023-01
Alert Notice 832: Monitoring of FO Aqr needed for HST observations
September 19, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/fo-aqr-hst-2023
- Cataclysmic Variables: https://www.aavso.org/fo-aqr-hst-2023-01
Alert Notice 831: V1082 Sgr to be observed with HST this week
August 8, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/hst-campaign-dwarf-novae-2022-2023
- Cataclysmic Variables: https://www.aavso.org/hst-campaign-dwarf-novae-2022-2023-01
Alert Notice 830: V347 Aur monitoring requested in support of XMM-Newton observations
July 19, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/v-347-aur-campaign-2023
- Young Stellar Objects: https://www.aavso.org/v-347-aur-campaign-2023-01
Alert Notice 829: Nova in Sagittarius - V6598 Sgr = N Sgr 2023 No. 3 (= TCP J17525020-2024150)
July 17, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Time Sensitive Alerts: https://www.aavso.org/n-sgr-2023-no-3-V-6598-sgr
- Novae: https://www.aavso.org/n-sgr-2023-no-3-V-6598-sgr-01
Alert Notice 828: V844 Her monitoring requested
July 11, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/v-844-her-campaign
- Cataclysmic Variables: https://www.aavso.org/v-844-her-campaign-01
Alert Notice 827: HP Lib being observed with HST
June 21, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observing Reports: https://www.aavso.org/hst-campaign-dwarf-novae-2022-2023
- Cataclysmic Variables: https://www.aavso.org/hst-campaign-dwarf-novae-2022-2023-01
Alert Notice 826: Supernova in M101 - SN 2023ixf in NGC 5457
May 22, 2023
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Time Sensitive Alerts: https://www.aavso.org/sn-2023ixf-m101
- Cataclysmic Variables: https://www.aavso.org/sn-2023ixf-m101-01