Credits
NightAstro credits astronomical images according to the information recorded when they are imported. Licences and rights remain those specified by the original sources.
Contribution
Idea for adding the Sharpless objects: D&O de Kaus Australis
2MASS (UMass/IPAC-Caltech) ; composition HiPS CDS/Aladin — ODbL-1.0
Targets: IC 1396, IC 1613, IC 1805, IC 1848, IC 2391, IC 2602, IC 2944, IC 342, IC 405, IC 5146, M100, M102, M103, M105, M107, M108, M110, M43… +118
2MASS — Public domain
Targets: M12
2MASS — Public domain
Targets: M18
2MASS — Public domain
Targets: M35
2MASS — Public domain
Targets: M55
2MASS — Public domain
Targets: M58
2MASS — Public domain
Targets: M66
2MASS — Public domain
Targets: M77
2MASS — Public domain
Targets: M83
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M14
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M19
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M21
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M22
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M23
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M25
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M26
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M29
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M36
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M38
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M39
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M4
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M46
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M48
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M5
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M50
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M52
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M56
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M6
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M62
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M67
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M68
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M69
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M70
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M71
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M72
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M75
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M76
2MASS/UMass/IPAC-Caltech/NASA/NSF — public domain
Targets: M9
Adam Block / Mount Lemmon SkyCenter / University of Arizona — CC BY-SA 4.0
Targets: M15
Arunnvijaywiki — CC0 1.0
Targets: M42
Carpe Noctem / Srdejong — CC BY-SA 4.0 — Wikimedia Commons
Targets: Sh2-184
Charlemagne920 — CC BY-SA 4.0
Targets: M3
Charlemagne920 — CC BY-SA 4.0
Targets: M51
Chuck Ayoub — CC BY-SA 4.0
Targets: M17
Chuck Ayoub — CC BY-SA 4.0 — Wikimedia Commons
Targets: Sh2-142
Chuck Ayoub — CC0 1.0
Targets: M37
Chuck Ayoub — CC0 1.0
Targets: M74
Davide De Martin & ESA/ESO/NASA Photoshop FITS Liberator ; dérivé Roberto Mura — CC BY 3.0 — Wikimedia Commons
Targets: Sh2-171
Denis Paryshev — CC BY-SA 4.0
Targets: M1
ESA/Hubble & NASA — CC BY 3.0
Targets: M10
ESA/Hubble & NASA — CC BY 3.0
Targets: M53
ESA/Hubble & NASA — CC BY 3.0
Targets: M61
ESA/Hubble & NASA — CC BY 4.0
Targets: M28
ESA/Hubble & NASA — CC BY 4.0
Targets: M94
ESA/Hubble — CC BY 4.0
Targets: M30
ESO / Digitized Sky Survey 2 ; acknowledgment Davide De Martin — CC BY 4.0
Targets: C99
ESO — CC BY 3.0
Targets: M7
ESO — CC BY 4.0
Targets: M54
ESO/IDA/Danish 1.5 m/R. Gendler, J.-E. Ovaldsen, C. Thöne & C. Féron — CC BY 4.0 — Wikimedia Commons
Targets: Sh2-277
Fryns — Public domain
Targets: M97
Giovanni Barbarino — CC BY-SA 2.0 — Wikimedia Commons
Targets: Sh2-132
Giovanni Barbarino — CC BY-SA 2.0 — Wikimedia Commons
Targets: Sh2-157
Giovanni Barbarino — CC BY-SA 2.0 — Wikimedia Commons
Targets: Sh2-206
Giovanni Barbarino — CC BY-SA 2.0 — Wikimedia Commons
Targets: Sh2-252
Giovanni Barbarino — CC BY-SA 2.0 — Wikimedia Commons
Targets: Sh2-261
Giuseppe Donatiello — CC0 1.0 — Wikimedia Commons
Targets: IC 5070
Jschulman555 — CC BY 3.0 — Wikimedia Commons
Targets: Sh2-274
Keesscherer — CC BY-SA 4.0 — Wikimedia Commons
Targets: Sh2-296
Ken Crawford — CC BY-SA 4.0
Targets: M81
Kjmiller84 — CC BY-SA 4.0
Targets: M20
Luc Viatour — CC BY-SA 4.0 — Wikimedia Commons
Targets: IC 434
Luka.psk — CC BY-SA 4.0 — Wikimedia Commons
Targets: Sh2-273
Makrem Larnaout — CC BY-SA 4.0 — Wikimedia Commons
Targets: Sh2-103
Miodrag Sekulic — CC BY-SA 3.0
Targets: M101
Miodrag Sekulic — CC BY-SA 3.0
Targets: M104
Miodrag Sekulic — CC BY-SA 3.0
Targets: M13
Miodrag Sekulic — CC BY-SA 3.0
Targets: M16
Miodrag Sekulic — CC BY-SA 3.0
Targets: M33
Miodrag Sekulic — CC BY-SA 3.0
Targets: M57
Miodrag Sekulic — CC BY-SA 3.0
Targets: M63
Miodrag Sekulic — CC BY-SA 3.0
Targets: M64
NASA / STScI / WikiSky — Public domain
Targets: M65
NASA / STScI / WikiSky — Public domain
Targets: M87
NASA Hubble — CC BY 2.0
Targets: M59
NASA — Public domain
Targets: M60
NASA, ESA, B. Williams; processing Gladys Kober — CC0 1.0
Targets: M32
NASA, ESA, STScI & A. Sarajedini — CC BY 2.0
Targets: M2
NASA, ESA, STScI & J. Blakeslee — Public domain (NASA)
Targets: M49
NOIRLab / NSF / AURA — CC BY 4.0
Targets: M40
NOIRLab/NSF/AURA — CC BY 4.0
Targets: M41
NOIRLab/NSF/AURA — CC BY 4.0
Targets: M47
Ole Nielsen — CC BY-SA 2.5
Targets: M109
Pierson Lipschultz — CC BY-SA 4.0 — Wikimedia Commons
Targets: Sh2-236
Ram samudrala — CC BY 4.0 — Wikimedia Commons
Targets: Sh2-108
Ram samudrala — CC BY 4.0 — Wikimedia Commons
Targets: Sh2-220
Rawastrodata — CC BY-SA 3.0
Targets: M11
REU program / NOIRLab / NSF / AURA — CC BY 4.0
Targets: M34
REU program / NOIRLab / NSF / AURA — CC BY 4.0
Targets: M73
Shark13016 — CC BY-SA 4.0
Targets: M82
SSRO/PROMPT/CTIO, NSF NOIRLab — CC BY 4.0
Targets: M8
T.A. Rector (University of Alaska Anchorage) / NOIRLab/NSF/AURA — CC BY 4.0 — Wikimedia Commons
Targets: Sh2-86
T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN & NOIRLab/NSF/AURA — CC BY 4.0 — Wikimedia Commons
Targets: Sh2-188
Taavi Niittee — CC0 1.0
Targets: M106
Taavi Niittee — CC0 1.0
Targets: M44
Vanessa Harvey / REU program / NOIRLab / NSF / AURA — CC BY 4.0
Targets: M24
Technical and astronomical sources
SQM/Bortle sky-quality estimates are provided by DarkSkySites. NightAstro queries this service server-side and caches the results.
NightAstro uses or references Open-Meteo for weather, CDS/Aladin and 2MASS for some sky images or data, OpenNGC (Mattia Verga and contributors, CC BY-SA 4.0) for some catalogue data, and Wikimedia Commons for photographs published under compatible licences. Each third-party resource remains subject to its own terms.