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Type: planetary nebula
Mag: B=?, V=?
Synonyms: H IV-014
Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "vF, of equal light, resolvable, 1' diameter, in the midst of numberless stars of the milky way."
The RNGC (Sulentic and Tifft 1973) notes that this is a 14.0 mag planetary nebula.
Photo Index by Jim Lucyk: Deep Sky #3 Su83 p23, Deep Sky Monthly 2/82 p8, Deep Sky #20 Fa87 p12.
Planetary, vF, 1'x1', vF central star suspected. The f. and p. edges are brighter than the n. and s. Spectrum gaseous.
Steve Coe, using a 13" f/5.6, notes: "Faint, pretty large and round at 100X. It is not immediately obvious without the UHC filter. The filter helps a lot on this object. With the filter this nebula stands out very nicely and there is some annularity noted. Higher powers do not bring out more detail."
POSS: 19 14 36.4 -2 42 24 (J2000) measured on O print (cen * clearly
vis) using 30-star PPM net.
Milne I: 19 14 37.3 -2 42 20 (J2000).
P&K: 19 14 36.9 -2 42 36 (J2000), and
19 14 37.0 -2 42 20 (J2000).
Bigourdan: 19 14 36.7 -2 42 37 (J2000).
15cm - lg, losfcbr. vis @ 125x. 1' diam w/o concen and w/fuzzy edges. BS,
Anderson Mesa, 3Sep1981.
- lg uniformly-br puff @ 80x, easy w/o filts. 140x: 50" diam, approx circ;
seems vsl brtr across NNW side, or light fades generally vsl from N to S.
no cen *. BS, 11Jun1988, Anderson Mesa.
25cm - nr limit of fntness. elliptical, elong N-S, lg. dk smudge in center is
indef. m14 * inv. indef edges. BS, Roof.
- 190x: 1'.2 diam, seems circ but poss extn on SW perimeter (a rounded
point). no features or cen *. BS, 3Sep1981, Anderson Mesa.
30cm - easy but losfcbr. core 1' across. located NE of Y-shaped *ism. CBL, Roof.
The Messier objects
The Bennett objects
The Caldwell list
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