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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
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All Constellations »  Microscopium »  Deep Sky Objects » 

NGC 6998 - Elliptical Galaxy in Microscopium

Altitude: -42.1°   Azimuth: 276.8°   Direction: West

NGC 6998 is a Elliptical Galaxy in the Microscopium constellation. NGC 6998 is situated south of the celestial equator and, as such, it is more easily visible from the southern hemisphere.

The image below is a photograph of NGC 6998 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins).

Image of NGC 6998 - Elliptical Galaxy in Microscopium star
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DSS2 image of NGC 6998 in the Red band. The green region on the image is a representation of the major (0.94 arcmin) and minor (0.89 arcmin) axes of the object's apparent size.

Key facts about NGC 6998

NGC 6998
Galaxy
Microscopium

NGC 6998 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -42.1°
Azimuth: 276.8°
Direction: West

See also NGC 6998 rise and set times.

Given its visual magnitude of 15.6, NGC 6998 is visible only through long exposure photography.

Available Resources for NGC 6998 - Elliptical Galaxy in Microscopium

Photometric information of NGC 6998

The following table lists the magnitude of NGC 6998 in different bands of the electomagnetic spectrum (when available), from the B band (445nm wavelength, corresponding to the Blue color), to the V band ( 551nm wavelength, corresponding to Green/Yellow color), to the J, H, K bands (corresponding to 1220nm, 1630nm, 2190nm wavelengths respectively, which are colors not visible to the human eye).

15.21
15.6
11.43
10.67
10.35

For more information about photometry in astronomy, check the photometric system article on Wikipedia.

The surface brightess reported below is an indication of the brightness per unit of angular area of NGC 6998.

23.93 mag/arcsec2

Apparent size of NGC 6998

The following table reports NGC 6998 apparent angular size. The green area displayed on top of the DSS2 image of NGC 6998 is a visual representation of it.
0.94 arcmin
0.89 arcmin
135°

NGC 6998 - Elliptical Galaxy in Microscopium morphological classification

NGC 6998 - Elliptical Galaxy in Microscopium is classified as Elliptical (E) according to the Hubble and de Vaucouleurs galaxy morphological classification. The diagram below shows a visual representation of the position of NGC 6998 - Elliptical Galaxy in Microscopium in the Hubble de Vaucouleurs sequence.

NGC 6998 - Elliptical Galaxy in Microscopium
Visualization of the morphological classification of NGC 6998 - Elliptical Galaxy in Microscopium, Elliptical (E).
Credits for the background image: Antonio Ciccolella / M. De Leo / CC BY

Celestial coordinates and finder chart of NGC 6998

Celestial coordinates for the J2000 equinox of NGC 6998 are provided in the following table:

21h 01m 37s
-28° 01’ 54”

The simplified sky charts below show the position of NGC 6998 in the sky. The first chart has a field of view of 60° while the second one has a field of view of 10°.

Finder chart NGC 6998 - Elliptical Galaxy in Microscopium star
Simplified finder chart for NGC 6998 - Elliptical Galaxy in Microscopium.

Finder chart NGC 6998 - Elliptical Galaxy in Microscopium star
Simplified finder chart for NGC 6998 - Elliptical Galaxy in Microscopium.

Rise and set times of NGC 6998 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's NGC 6998 - Elliptical Galaxy in Microscopium rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.0°
Max altitude: 10.5°
Azimuth: 242.0°