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Messier 90
Observations and Descriptions
Discovered by Charles Messier on March 18, 1781.
- Messier:
M90.
- March 18, 1781. 90.
12h 25m 48s (186d 27' 00") +14d 22' 50"
"Nebula without star, in Virgo: its light is as faint as the preceding,
No. 89."
- William Herschel:
-
[Unpublished Observations of Messier's Nebulae and Clusters.
Scientific Papers, Vol. 2, p. 660]
1784. Apr. 8 (Sw. 187). pL. [pretty large], with a nucleus, perhaps cometic,
but moonlight permits not to give a proper description.
1784. Apr. 17 (Sw. 199). pL. [pretty large].
- Smyth
- [from the description of M88]
[has it in a chart]
.. "in the immediate nebulous neighborhood" of 88 Messier ..
- John Herschel, General Catalogue:
GC 3111.
- GC 3111 = M90.
RA 12h 29m 52.8s, NPD 76d 4' 18.1" (1860.0)
[Right Ascension and North Polar Distance]
pL; bMN.
2 observations by W. & J. Herschel.
Pretty large; brighter toward the middle where there is a nucleus.
Remark:
3111, M90.
The place is from two observations by W.H., as also the description.
- Dreyer:
NGC 4569.
- NGC 4569, GC 3111; M 90.
RA 12h 29m 46s, NPD 76d 3.9' (1860.0)
[Right Ascension and North Polar Distance]
pL, bMN; = M90
Pretty large, brighter toward the middle where there is a nucleus.
Observing Reports for M90 (IAAC Netastrocatalog)
Hartmut Frommert
Christine Kronberg
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Last Modification: October 21, 2005