Skip to main content
Home aavso

User account menu

  • Login

Search

Shopping cart 0 items
 Donate Now

Main navigation

  • Who We Are
    • About Us
    • Awards
    • Board
    • Staff
    • Policies
    • Contact Us
    • Strategic Plan 2020
  • Getting Started
    • What Are Variable Stars?
    • Tutorials
    • Manuals
    • Find a Mentor
    • How-To Videos
  • Community
    • Meetings
    • Forums
    • Find a Member/Observer
  • Get Involved
    • Research Opportunities
    • Volunteer Opportunities
    • Become a Member
  • FAQ
  1. Home

data entry program

Alert Notice 214: 0557-23 Supernova 1995ad in NGC 2139 AND 0059+53 Nova Cas 1995 AND Observations of 0409-71 VW Hyi and 0749+22 U Gem AND Fading of 1544+28a R CrB AND Change of Julian Date to 2450000 and AAVSO Data Entry Program [V723 Cas]

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET:  aavso@aavso.org
Tel. 617-354-0484       FAX 617-354-0665

AAVSO ALERT NOTICE 214 (October 3, 1995)

0557-23 SUPERNOVA 1995ad IN NGC 2139

Tags
VW Hyi
V723 Cas
U Gem
Type-II
supernova
software
SN 1995ad
R CrB-type
R CrB
Nova Cas 1995
nova
NGC 2139
JD 2450000
HST
data entry program
cataclysmic variable
AAVSO International Database
AAVSO Alert Notice
  • Read more about Alert Notice 214: 0557-23 Supernova 1995ad in NGC 2139 AND 0059+53 Nova Cas 1995 AND Observations of 0409-71 VW Hyi and 0749+22 U Gem AND Fading of 1544+28a R CrB AND Change of Julian Date to 2450000 and AAVSO Data Entry Program [V723 Cas]
Subscribe to data entry program
Old AAVSO

Let's Connect & Explore:

emailfacebooktwitteryoutube

49 Bay State Rd, Cambridge, MA 02138 USA

AAVSO Logo

Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. New threads should be posted on the new forums. The forums at aavso.org/forum will become read-only on September 12, 2024.