Andrea Alessandrelli
Ced 214 - Sh2-171 - Berkeley 59
Ced 214 (also known as Sh2 -171 ) is a large emission nebula visible in the constellation of Cepheus .
It is an extensive nebula region linked to the stellar association Cepheus OB4 and illuminated by the stars of the open cluster Berkeley 59; vigorous star-formation processes are active inside it , generating low- mass stars .
The sky area in which this nebulous system is observed is located in the eastern part of the constellation of Cepheus, about 8 ° north of the bright star Caph , in a stretch of the Milky Way strongly obscured by interstellar dust and unlit nebulae; in its direction we observe HD 225216, an orange star of apparent magnitude5,68, which however is not linked to the nebula being in the foreground. Under a very dark sky and with the help of filters it is possible to see some vague details of the nebula, especially with large diameter instruments and using very low magnifications due to the large size of the object; in photography, on the contrary, the system becomes very evident.
Acquired on May 2020
H-alpha - 120 x 120 sec
OIII - 60 x 120 sec
SII - 55 x 120 sec
Total integration time: 7:50 hours
Imaging telescope, mount and camera:
TS Optics/GSO 6'' f4 Newtonian
Celestron CGEM-DX
ASI1600MM-Cool
Processed with: Pixinsight and Photoshop CC
Location:
Home Backyard, Geleen, Limburg, Netherlands (Bortle 6/7)
Ced 214 - Sh2-171 - Berkeley 59
Ced 214 (also known as Sh2 -171 ) is a large emission nebula visible in the constellation of Cepheus .
It is an extensive nebula region linked to the stellar association Cepheus OB4 and illuminated by the stars of the open cluster Berkeley 59; vigorous star-formation processes are active inside it , generating low- mass stars .
The sky area in which this nebulous system is observed is located in the eastern part of the constellation of Cepheus, about 8 ° north of the bright star Caph , in a stretch of the Milky Way strongly obscured by interstellar dust and unlit nebulae; in its direction we observe HD 225216, an orange star of apparent magnitude5,68, which however is not linked to the nebula being in the foreground. Under a very dark sky and with the help of filters it is possible to see some vague details of the nebula, especially with large diameter instruments and using very low magnifications due to the large size of the object; in photography, on the contrary, the system becomes very evident.
Acquired on May 2020
H-alpha - 120 x 120 sec
OIII - 60 x 120 sec
SII - 55 x 120 sec
Total integration time: 7:50 hours
Imaging telescope, mount and camera:
TS Optics/GSO 6'' f4 Newtonian
Celestron CGEM-DX
ASI1600MM-Cool
Processed with: Pixinsight and Photoshop CC
Location:
Home Backyard, Geleen, Limburg, Netherlands (Bortle 6/7)