swap_horiz HB 9 Alternatives

1

Veil Nebula (NGC 6960/NGC 6992)

The Veil Nebula, formally NGC 6960 and NGC 6992, is a vast, filamentary structure within the constellation Cygnus. It re...

Large Ancient Cygnus Supernova Remnant

9.5 Brilliant

2

Pickering's Triangle (NGC 6979)

Pickering's Triangle, designated as NGC 6979, is a portion of the Cygnus Loop, a large supernova remnant in the constell...

Ngc Cygnus Faint Supernova Remnant

8.8 Great

3

Cygnus Loop

The Cygnus Loop is a large supernova remnant in the constellation Cygnus, created by the explosion of a massive star rou...

Large Optical Cygnus Supernova Remnant

8.6 Great

4

Puppis-Vela Complex

The Puppis-Vela Complex is a large region of overlapping and related emission in the southern sky that includes the Vela...

Large Ancient Puppis Supernova Remnant

8.6 Great

5

Simeis 147 (Spaghetti Nebula)

Simeis 147, also known as the Spaghetti Nebula or Sharpless 240, is a large, faint supernova remnant located in the cons...

Large Taurus Faint Supernova Remnant

8.2 Great

6

Abell 85 (CTB 1)

CTB 1, designated SNR G116.9+0.2, is a faint supernova remnant in the constellation Cassiopeia, visible across radio, op...

Radio Large Cassiopeia Faint

7.9 Good

7

Spaghetti Nebula (Simeis 147)

The Spaghetti Nebula, cataloged as Simeis 147 or Sharpless 2-240, is a large and extremely faint supernova remnant locat...

Large Taurus Faint Supernova Remnant

7.8 Good

8

Abell 21 (Medusa Nebula)

Abell 21, commonly called the Medusa Nebula, is a large, faint planetary nebula in the constellation Gemini. It consists...

Large Planetary Gemini Faint

7.6 Good

9

Sh2-91

Sh2-91 is a very faint emission nebula located in the northern constellation of Cygnus. It is classified as part of the...

Cygnus Faint Sharpless Supernova Remnant

7.6 Good

10

Sh2-261 (Lower's Nebula)

Sh2-261, also called Lower's Nebula or LBN 863, is a faint hydrogen-emission region in the constellation Orion. It is an...

Large Orion Emission Faint

7.5 Good

11

Owl Nebula (M97)

Messier 97, commonly called the Owl Nebula, is a planetary nebula in Ursa Major discovered by Pierre Méchain in 1781. It...

Large Planetary Messier Faint

7.4 Good

12

NGC 6781 (Snowglobe Nebula)

NGC 6781, sometimes called the Snowglobe Nebula, is a planetary nebula in the constellation Aquila. William Herschel dis...

Large Planetary Aquila Faint

7.4 Good

13

RCW 114

RCW 114 is a large, filamentary emission nebula located in the southern constellation of Scorpius. Spanning approximatel...

Milky Way Cygnus Faint Supernova Remnant

7.4 Good

14

Medusa Nebula (Abell 21)

Medusa Nebula, catalogued as Abell 21, is a large, faint planetary nebula in Gemini produced by the expelled outer layer...

Old Large Planetary Gemini

6.9 Fair

15

Jones 1 (PK 104-29.1)

Jones 1, catalogued as PK 104-29.1, is a large and extremely faint planetary nebula in the constellation Pegasus. It was...

Old Large Planetary Pegasus

6.9 Fair

16

Sharpless 2-91

Sharpless 2-91 is a faint planetary nebula located in the constellation Cygnus, notable for its intricate filamentary st...

Old Large Cygnus Faint

6.7 Fair

17

CTB 1 (Abell 85)

CTB 1, also catalogued as Abell 85, is a faint supernova remnant in the constellation Cassiopeia. It is associated with...

Old Large Cassiopeia Faint

6.6 Fair

18

Abell 31 (Sh2-290)

Abell 31, also designated Sh2-290, is a large and extremely faint planetary nebula in the constellation Cancer. George A...

Old Large Planetary Cancer

5.5 Mediocre

19

Jones-Emberson 1 (PK 164+31.1)

A large, extremely faint planetary nebula in Lynx discovered by Rebecca Jones and Richard Emberson in 1939, notable for...

Old Large Planetary Lynx

5.2 Mediocre

20

HB 3 (G132.7+1.3)

HB 3, also designated G132.7+1.3, is an evolved, faint shell-type supernova remnant in the direction of the constellatio...

Large Cassiopeia Faint Supernova Remnant

5.0 Mediocre