Planetary Nebulae
Planetary Nebulae
Planetary Nebulae
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Catalog StDr Objet
  (17 inputs)
Xavier Strottner - Marcel Drechsler
The catalog StDr Objet includes: 1 planetary nebula
16 other objects
NameGal. Coord.RADECSizeType
StDr Objet 1PN-G 21:35:07.85+52:11:32.360.5 x 0.3 arc minTrue PN
StDr Objet 2PN-G 20:33:31.14+44:08:45.390.6 arc minProtoPN,YSO, Galaxy ?
StDr Objet 3PN-G 19:54:10.03+33:58:45.710.2 arc minProtoPN, YSO ?
StDr Objet 4PN-G 06:51:36.59+02:43:18.0816 arc minSNR ?
StDr Objet 5PN-G 06:10:57.83+13:13:31.151.2 x 0.8 arc minRegion HII, YSO ?
StDr Objet 6PN-G 05:18:17.68+37:38:39.780.6 arc minStrömgren sphere ? Sp (P. Le Dû)
StDr Objet 7PN-G 05:55:17.77+23:34:02.671.4 arc minStrömgren sphere ?
StDr Objet 8PN-G 06:19:29.42+17:22:56.621.8 x 1.5 arc minReflexion nebula ?
StDr Objet 9PN-G 07:30:16.64-19:59:22.4311 arc minCometary globule ?
StDr Objet 10PN-G 12:04:00.23-61:46:47.2102 x 0.1 arc minReflexion nebula ?
StDr Objet 11PN-G 19:12:13.00+04:54:16.251.3 x 0.8 arc minSNR ?
StDr Objet 12PN-G 19:47:38.03+27:18:43.500.3 x 0.2 arc minSNR ?
StDr Objet 13PN-G 18:37:52.45-00:20:54.2923 arc minHII region, Strömgren sphere ?
StDr Objet 14PN-G 21:04:40.09+37:16:42.051 arc minBinary system ?
StDr Objet 15PN-G 20:07:48.87+41:39:31.211.2 arc minBinary system ?
StDr Objet 16PN-G 02:06:48.64+60:10:37.120.4 arc minYSO ?
StDr Objet 17PN-G 05:23:09.04+55:02:35.7615 arc minStrömgren sphere ?
Planetary Nebulae
Respect capital letters and spaces !
Example: PN-G 262.4-01.9 or DeGaPe 32
  Current classification:
855 inputs in total, with:
- 60 planetary nebulae
- 20 likely planetary nebulae
- 632 possible planetary nebulae
- 143 other objects
In 2020...
125 inputs have been added to the lists, with:
- 106 PN candidates and 19 "objects"
  PN candidates not yet published:
NameGal. Coord.Origine
StDr 53PN-G 105.4-03.3IPHAS, DSS...
StDr 52PN-G 012.4+02.5SHS, PanSTARRS...
StDr 51PN-G 014.1-00.7SHS, PanSTARRS...
StDr 50PN-G 324.8+00.8SHS, DECaPS...
StDr 49PN-G 025.6-08.3SHS, PanSTARRS...
StDr 48PN-G 247.0+01.0SHS, DECaPS...
StDr 47PN-G 253.7+19.4DSS, PanSTARRS...
StDr 46PN-G 133.2-00.9IPHAS...
StDr 45PN-G 049.8+02.0IPHAS, PanSTARRS...
StDr 44PN-G 220.9-00.8SHS, PanSTARRS...
  PN candidates observations:
206 observations made
Link to the spectroscopic observations list: HERE
Planetary Nebulae .net
Contacts: - in charge PN and applications: Pascal Le Dû (
- webmaster: Thomas Petit (
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The Planetary Nebulae .net website offers all the useful and practical information about the planetary nebulae (candidates), how to apply for a new discovery and how to confirm the candidates. If you would like to contribute to the website, please visit the Data Gathering page and contact us.
Contributors: Pascal Le Dû - Thomas Petit - Olivier Garde - Nicolas Petit - Trygve Prestgard - Jean-Baptiste Feldmann - Lionel Mulato - Sakib Rasool - Dana Patchick